Photos and text: Koji Yamazaki
Born in Iwate Prefecture in 1963. He graduated from the Department of Fisheries, College of Agriculture and Veterinary Medicine, Nihon University.
He focuses on photographing aquatic creatures such as tropical fish, and his photographic techniques for reproducing the beautiful colors of small, beautiful species are highly praised not only in Japan but also overseas.
He is also very knowledgeable in the field, mainly in Southeast Asia, and this has become his life's work.
His publications include ``World Medaka Guide'', ``Freshwater Shrimp and Crab Handbook'' (Bunichi General Publishing), ``Enjoyable Turtles, Medaka, Tadpoles, Crayfish, and Hermit Crabs'' (Shufunotomosha), ``Tropical Fish Atlas'' (co-author, Heibonsha), and others. Many.
Recently, even if you look at the betta market in Thailand, the home of bettas, you can see the appearance of small new faces, but no large new faces like the Koi Betta and Candy. A few years ago, I was excited to see the Candy, but now it is mass-produced...
Published in February 2024
Episode 98 Splendence Black & Benjaron Black
Preferences in the color of fish largely depend on national characteristics. Japanese people are very fond of red and white, which is also the color scheme of the Japanese national flag. This may be considered an auspicious color. In Thailand, the home of betta fish, the color scheme of the Thai national flag, called the Thai flag, is white, red, and blue.
Published in February 2024
No. 97 Koibeta Veil Tail “XNUMX”
As I have written several times in this column, the breed that enthusiasts are most excited about in Thailand, the home of betta fish, is the short-fin type betta called plakat. This is clear from the betta fish contests held in Thailand, where more than half of the fish on display...
Published in February 2024
In the fall of 2023, I traveled to Thailand as usual, and immediately visited the area where Chatuchak's Betta fish stores were concentrated. I feel relieved when I come to this dirty block that I have been visiting for over 30 years. There was also a plan to demolish this place and redevelop it...
Published in February 2024
In this column, we have introduced many improved wild varieties. Most of them were found at a shop in Chatuchak that specializes in wild types. In those stores, your tastes are completely understood, so new faces...
Published in February 2023
Most of the bettas introduced in this column are wild type or plastic cut. This is largely due to my taste as the author, but it is also due to the current trends in the Thai betta fish market. When a new variety is released, we want to introduce it as soon as possible. Goods…
Published in February 2023
The betta breed Avatar is named after the title of a famous movie. This is especially common among varieties created in Indonesia, and they are named after movie titles such as Avatar, Hellboy, and Armageddon. Solid…
Published in February 2023
The Nemo betta has been popular since around 2018, replacing the popular Koi betta, and although it was popular for a time due to its intense colors, its popularity has waned considerably recently. The Japanese aquarium market will start to move around 2022...
Published in February 2023
In this column, Alien Gold has been introduced twice, in Part 69 and Part 77. At the time, he was convinced that he was writing this as an introduction to a new species, but somewhere in his mind he couldn't shake the question of whether it was really okay to call it an alien. In 2022...
Published in February 2023
90th Blue & Black Plastic Cut “XNUMX”
Previously in this column, I introduced a blue and black plastic cut that I saw in Thailand in 2020. The model in the photo was one found at a Chatuchak shop. This shop sells very high grade blue and black plastic cuts...
Published in February 2023
No. 89 Betta Smaragdina Giant XNUMX forms
As a wild betta giant, I have previously introduced the Mahachai Giant in this column. As for the giant betta fish, the plastic cut giant has been around for a long time, and improvements are still being made to this day, and various varieties have been introduced. …
Published in February 2023
No. 88 Smaragdina Guitar Carbon
In 2022, thanks to the Thai government's lifting of coronavirus restrictions, I was able to go to Thailand for reporting in the fall as well as in the spring. As of the writing of this manuscript on January 9, 2023, the Thai government has once again tightened the coronavirus regulations that were once withdrawn, causing confusion in the tourism industry.
Published in February 2022
No. 87 Splendence Yellow Copper
In this column, I introduced Benjaron Yellow and Splendence Blue, which was improved based on Benjaron Yellow, and I would also like to introduce an improved wild-type betta using Benjaron Yellow. I've been revealing the details from the beginning, but I'll introduce it this time...
Published in February 2022
While I'm in Thailand, I visit Chatuchak's Betta Street several times every week, and I make sure to check out two restaurants that sell wild fish. Personally, I've always preferred wild and wild-type fish over improved varieties...
Published in February 2022
Due to the coronavirus pandemic, I couldn't see Thailand's betta for a whole year, so I had a blank period. This was very stressful for me, but it may have been a good opportunity to review Betta with a new mindset. To that end, various regulations will be lifted in 2022...
Published in February 2022
In the previous column, I introduced the Copper of Koi Betta, so next I will introduce the Copper of Candy (Nemo). When I visited Thailand in 2020, Copper was already produced and could be seen at the market. The outstanding price at that time is the previous one...
Published in February 2022
Due to the new coronavirus restrictions, I was unable to travel to Thailand at all in 2021. I have been going to Thailand for reporting almost every year for nearly 30 years, but this is the first time I have not been able to travel at all. Well, no one could have predicted that something like this would happen, and there was no way to prevent it...
Published in February 2022
82nd Blue & Black Plakat “XNUMX”
Due to travel restrictions due to the coronavirus, I was unable to travel to Thailand, which I had visited every year for nearly 30 years, so I was unable to provide you with the best information about Thailand in 2021. Therefore, I saved up photos by September 2020, when I last visited Thailand...
Published in February 2022
When I was looking at the Japanese internet and the Thai market, I sometimes thought, ``Huh?'' Sometimes I come across a fish that makes me think. This is because there are cases where the fish being sold and the commercial name used for it do not seem to match. There are many such fish that I will introduce this time...
Published in February 2022
In the past, this column has introduced red-eyed betta fish by calling them albino fish. However, after seeing many of these red-eyed bettas with my own eyes, and hearing information from breeders in Thailand and Japanese fish enthusiasts, I realized that it is inappropriate to call fish with this phenotype albino...
Published in February 2022
No. 79 Red Eye Blue Rim “2020”
Bangkok's Sunday Market is lined with numerous Betta retail stores. How do retailers purchase their products? It varies greatly depending on the store. It's quite common to see farms running their own farms, where they sell fish...
Published in February 2022
Although this column has introduced many Betta fish so far, there is one breed that I have never mentioned before. That is the Churn Betta that we will be introducing this time. This species was developed in Thailand and is characterized by its large pectoral fins. Locally, it is called Hu (ear) Chang (elephant)...
Published in February 2021
This time, let's start by talking about the common names (product names) of fish. For some time now, in this column, we have been introducing a hybrid variety created by crossing three varieties: Mahachaiensis, Smaragdina, and Styctos, under the name Triple Cross. And...
Published in February 2021
No. 76 Mahachai Hybrid “XNUMX”
In this column, I tried to provide real-time information about Thailand's nature and the Betta scene. However, due to the coronavirus pandemic, there were restrictions on my stay in Thailand, and I returned to Japan at the end of September 2020, feeling like I was being held back by my girlfriend. She returns home once...
Published in February 2021
In July 2020, Bangkok, Thailand is in the midst of the coronavirus pandemic. Unlike Japan, the Thai government has taken strict measures against the coronavirus, and perhaps because of this, the number of new infections has visibly decreased, and life has become close to normal despite mandatory body temperature checks and masks. Cha…
Published in February 2021
If you hear the word Maeng Da and immediately think of something, you are probably an expert on Thailand and a lover of living things. Maeng Da means tagame in Thai. However, there are actually two types of creatures called maeng da in Thai. One type is the Formosan tortoise, and this one is the rice field...
Published in February 2020
No. 73 “Betta Smaragdina Guitar Blue”
When I went to Chatuchak in April 2020, which was quiet due to the coronavirus pandemic, only a few shops were open to feed and care for the fish. It seems that the Thai government is not so ruthless as to not allow stores that handle living things to take care of them. There are pious Buddhists around here...
Published in February 2020
One day, I looked into the shops on the Sunday market route without any expectations, and found a novel fish in the most conspicuous position. It was a veil-tailed betta called Pakat Chin in Thailand. In Japan, it is abbreviated as Traditional Betta...
Published in February 2020
Episode 71 “Orange Inbellis XNUMX”
There are two main types of chatuchak betta shops. One type is a type that has stores in a fixed location and handles a large number of betta fish. The other type is small-scale shops that do not have a fixed storefront and can be moved around like food stalls. These...
Published in February 2020
During my stay in Bangkok, I usually go to Chatuchak Market several times a week, but Thailand has also declared a state of emergency due to the new coronavirus, and stores other than those selling bait are closed (Japan's business hours are closed). (Unlike self-restraint, there are penalties). So, for now...
Published in February 2020
Although the number of infected people is not as high as in Japan, Thailand is also currently in an uproar due to the effects of the new coronavirus. The current Thai government is a military government, and it is not weak like Japan's incompetent government. We are very bullish and have taken strict measures against the new coronavirus...
Published in February 2020
No. 68 “Roach’s Climbing the Waterfall”
As usual, I was staying in Thailand in June 2019. I was visiting a place called Sangkhlaburi in Kanchanaburi province in western Thailand. This place has been my favorite place to visit ever since I started fieldwork in Thailand. Rich in nature and freshwater fish...
Published in February 2020
In the fall of 2019, I returned to Bangkok as usual and wandered around Chatuchak looking for any interesting fish-related stories. When it comes to fish-related fish, it mainly involves betta fish, but in 2019, there were no particularly notable new species released, and the betta fish industry was relatively calm...
Published in February 2020
In the fall of 2019, I had trouble reserving my flight from Narita Airport to Bangkok multiple times due to a typhoon, and I finally arrived in Bangkok four days later than planned. Well, the damage caused by the typhoon in the year was great, and the affected areas...
Published in February 2020
There is a question that has been bothering me since the time when Koi betta was bred. It is the order of release of new varieties to the market. When carp betta was gaining popularity, the first fish to appear on the market were, of course, the short-fin plastic cut type fish...
Published in February 2019
This column has been all about solid topics for a while, so I'd like to change things up a bit and talk about crabs this time. As readers of this column may know, in addition to the freshwater fish of Southeast Asia, my other interests are freshwater crustaceans. In the past, it was light...
Published in February 2019
No. 63 “Betta Splendens Benjaron”
This time too, I was regularly checking Beta Street in Chatuchak in the hot weather. My work has always been well-understood among the Betta dealers in this area, but after publishing Betta2020, it seems that it has been better understood, and when new fish come in, I get more attention than before...
Published in February 2019
It's been a long time since I've produced a solid book that can be called a masterpiece, and to be honest, I didn't want to see a solid book for a while. However, when I returned to Bangkok, there were no plans for my next work, but I found myself searching for new ideas as usual...
Published in February 2019
It's already on sale in Japan, so many people may have picked it up, but it's been a while since I've produced a large book related to Betta. The book titled Betta2020 introduces XNUMX improved breeds of Betta in full color. The title of the book is...
Published in February 2019
I think it's safe to publish it soon, so I'll write about it in this column, but I'm currently working on a solid book. I'm planning to introduce the Splendens Group's wild bettas and improved varieties of bettas there, but I'm satisfied with the photos used there...
Episode 59 “Steel Blue Inveris”
In November 2018, I was checking out the fish while touring the betta shops at Bangkok's Sunday Market, as usual. These days, the improved varieties are all related to Nemo and are not interesting. Having said that, there are no new faces appearing in the wild betta relationship. …
With the appearance of Nemo, Candy, and Galaxy, koi betta has become less prominent, but it is still very popular in Thailand. However, as enthusiasts have become more discerning, they no longer just accept any koi betta as they used to, but now the quality is quite high...
No. 57 “Betta Smaragdina Guitar Copper”
In October 2018, as usual, I was wandering around Thailand's Sunday market looking for betta fish. First of all, I attacked from the corner commonly known as Betta Street, where the Betta shops were lined up, but this time I couldn't find any particularly new Betta. Nemo and Cara are still popular in Thailand...
No. 56 “Koibeta Evolution System”
Recently, varieties called Nemo and Candy, which are evolved strains of Koi betta, have become very popular both in Thailand and Japan. The strain called Galaxy is also an evolved strain of Koibeta. Koi betta was a big boom a few years ago, but with this new hybrid...
55th “White Arm Mountain Club”
In mid-June, when the rainy season had begun, I went to Kanchanaburi in western Thailand to take photos near the Myanmar border. However, the water in the river had swollen due to continuous rain and was muddy and muddy, making it impossible to photograph fish. The rainy environment is not suitable for photography at all, but living things...
Since the beginning of this year, it would be fair to say that the betta scene in Thailand has been dominated by Nemobeta. When I came to Thailand in March, it attracted a lot of attention due to its rarity, but by May it started to look a little worn out. Where is Chatuchak's betta specialty store located?
No. 53 "Spade Tail Triple Cross"
When I came to Thailand in March 2018, the most noteworthy betta was the Nemo betta, which I introduced in the previous column. This Nemo betta is too flashy and has a strong impact, but there was another betta that caught my attention. It's a cross between wild and betta fish, so I'm a fan of that...
No. 52 “Betta fish called NEMO”
In March 1, I visited Thailand to escape the annual cedar pollen. Although her hay fever symptoms will not go away right away, within a week, her itchy eyes and stuffy nose will disappear, as if it were a lie. After all, this time of year is in a foreign country where there are no cedars...
No. 51 “Betta Simplex & Type II”
In November 2017, I went to southern Thailand to survey fish. The first objective was to confirm the habitat of a fish called simplex type II. Aoru is about 60km away from Krabi, a town in southern Thailand where the normal simplex lives...
No. 50 “Betta body color change”
I bought the plastic cut in Thailand in December last year, took photos of it, brought it back to my home in Japan, and raised it for about two months. Usually, photographed betta fish brought home are given away to people and are not kept in captivity for long periods of time. There is a reason why I kept breeding them for two months this time...
When I visited Thailand in the fall of 2017, there was another betta fish that caught my attention, in addition to the improved variety of Inveris that I introduced in this column last time. It is the crowntail of the Japanese carp betta. It has been quite some time since Koi betta was bred. First half moon and delta tail...
No. 48 “Improved varieties of Betta Inveris”
This is an annual autumn visit to Thailand. The next day after arriving in Bangkok, I decided to visit the Sunday market called Chatuchak. There are many betta specialty stores in this Sunday market, but they seem to have a lot of turnover, so...
Recently, the popularity of koi betta in Japan, which has continued for several years, has begun to slow down a bit. As a result, even in shops in Bangkok, the home of betta fish, you no longer see only Koi bettas on display like before. Currently, only carefully selected individuals among Koi betta...
Even if you keep familiar fish, you will discover many new things when you keep them. That is the real thrill of breeding. I made a new discovery about Orysias mekonensis that I collected in Udon, northeastern Thailand, about a year ago, so I would like to introduce it here. Ori containing Japanese killifish...
No. 45 "Pak Chong's Cryptocoryne Balance"
Many people who travel to Thailand will first fly into Bangkok's Suvarnabhumi International Airport. From there, you will connect to famous tourist destinations such as Phuket and Chiang Mai. In Thailand, in addition to traveling by plane, you can also use trains, buses, and cars.
No. 44 “Mahachai hybrid betta”
The last few times in this column, I have introduced hybrid wild improved bettas and pure wild improved bettas. I've always been a fan of wild fish, so I'm most interested in Plakat among the many improved betta breeds. I like wild things like that...
Around the end of October last year, I went to Bungkong Rong Lake in Bungkang, northeastern Thailand, to photograph and collect fish. The purpose was to check the habitat status of Betta Smaragdina Guitars, which only live in this area. Although he is still a young individual, he will soon find the guitar he wants...
No. 42 "Betta Smaragdina Blue & Copper"
The last two times in this column I have introduced hybrid wild-type improved bets. Even with guppies, I'm more interested in short-tailed improved varieties than those with large fins. Even for betta fish, I prefer Plakat to Halfmoon. In this way...
No. 41 “Betta Triple Cross Type II”
Every year in March, when cedar pollen starts to disperse in Japan, I decide to escape from Japan and spend time in Southeast Asia. His eyes were itchy, his nose was running, and his head was foggy, making it difficult for him to take photos or write manuscripts. Fortunately, I don't have to go to the office every day...
Around the spring of 2016, when I was doing some research on Smaragdina guitars, I came across an interesting video on YouTube. There, there is a battle between Betta, which is said to be a hybrid of Mahachaiensis and Smaragdina Guitar and Styctos...
In January 2017, as usual, I went to Bangkok's Sunday Market to look for fish. There are many fish-related shops here, making it a paradise-like place for fish lovers who can just browse around. However, there are just rows of shops that look like barracks...
No. 38 “Betta Smaragdina “Guitar””
In April 2016, as usual, when I was looking at the betta shops at the Sunday market in Bangkok, I noticed that a new betta fish had arrived at a shop that mainly sells wild betta fish, so I decided to take a look! I was invited. When you look into the slightly dark glass case, you'll see a cheerfully flaring smartphone...
When we think of insects that live in the tropics, we often get the impression that they are larger than the types that live in Japan. In fact, species such as the Formosan giant tortoise that live in Thailand are at least one size larger than the species found in Japan. The Indochinese giant snake, which I introduced in this column previously...
No. 36 “Betta Smaragdina “Buriram Super Green Power””
Around the beginning of summer this year, I happened to come across a very interesting video of a fish on YouTube. It was a video of wild betta fish, which is also my life's work. Betta smaragdina lives from northeastern Thailand to Laos, but the color and tail fin...
Once, when I talked to someone about my field photography, mainly at the waterfront in Thailand, someone asked me if they had ever seen the Indochinese giant snake. I was once asked. In the field, I am not only interested in fish and aquatic plants, but also aquatic insects, so I photographed them...
No. 34 “Thai round-leaf Cryptocoryne”
Last October, I took a friend to the river in Talat, eastern Thailand, where I have been going collecting and photographing for several years. As usual, I got off the road, put my luggage under the bridge to avoid the sun, and was exploring the area when I spotted an unfamiliar aquatic plant in a corner under the bridge! this…
No. 33 “Betta Halfmoon Connock”
At the end of November 2015, I went to Bangkok's Sunday Market to say hello in order to return to Japan after a two-month stay in Thailand. As she has been working here for over 10 years, her acquaintances have increased and she has started receiving various information quickly...
32nd “Tourmaline Mountain Club”
In August 2015, my buddy Tong from Thailand sent me some photos. There, I saw an unfamiliar crab. Apparently he went to a different place than usual and found a new type of crab there. There you can see several types of crabs mating...
As you know, Koi betta has become very popular in Japan since last year. As a result, when I go out to Thailand, I am often asked to look for unusual colors or rare individuals. That in itself is helpful in many ways for my work. That's a rare color...
No. 30 “Color variation of dwarf snakehead”
The snakehead family has been experiencing a quiet boom in recent years. The reason for its popularity is probably the fact that new faces with attractive colors are imported from India and Myanmar. In the case of aquarium fish, it is boring to import only certain standard species...
The origin of the colorful improved betta breeds is Betta splendens, a wild species that lives in Thailand. It is smaller and slimmer than the improved variety, and its color is a little more subdued. If you didn't know, you wouldn't think they were the same species. This wild species of Splendens...
When most people think of Thai giant shrimp, they probably think of the large edible giant shrimp (Macrobrachium rosenbergii), also known as the blue lobster. This species can be eaten at most restaurants in Thailand.
No. 26 “Giant mudskipper in the mangrove”
It must have been about 30 years ago, when I felt attracted to the field of Southeast Asia and started going there. Mr. K, who runs a tropical fish shipper in Bangkok, always provided me with material. One day when we were talking, Mr. K looked serious and told me that Thailand was XNUMXc...
The name Koi (KOI) started to be used in the betta fish market in Thailand, the home of betta fish, about 5 to 6 years ago. The early Koi-Color Short Tail Betta is a type of fish called marble, which is reminiscent of the color of Nishikigoi.
Many of the aquarium fish that are farmed are known to be a breed called albino, which has lost its pigment due to mutation. However, albino bettas are not the only breed that is common, or rather, it is extremely difficult to find them. There's a reason for that. Complete in Betta...
No. 24 “Additional information on past articles XNUMX”
Although I have previously introduced this in this column, there is still much information that was unknown at that time. This time, I would like to introduce the newly obtained information along with photos. First of all, let's talk about Part 7, ``Crabs that live in the air.'' Geosesalma Krating Geosesalma Krating
No. 23 “Chanthaburi Mountain Crab”
Recently, interest in Southeast Asian crustaceans, especially freshwater crabs, has increased. I originally loved crustaceans and specialized in freshwater shrimp, but the more I learned about crabs, the more interesting I became. When I'm doing fieldwork in Southeast Asia, I always come across fish and shrimp...
Thailand, which is my home field, is home to three types of fish belonging to the Badis genus. Badis khwae, which lives in Kanchanaburi in western Thailand, and Badis ruba, which lives near Nong Khai in northeastern Thailand...
Even though it's called Barbukka, it probably won't make sense to anyone unless they are a big fan of tropical fish. Taxonomically speaking, it appears to be a fish that falls between the roach family and the hill stream roach. If you only look at their movement and ecology, you can see Homaroptera such as rocket fish...
No. 20 “Mysterious Aquatic Plants of Cambodia”
In April of this year, I went to Cambodia to photograph during the driest season and the intense heat. Due to the dry season, the small streams that are suitable for collecting fish are empty and dry. Even the small streams that had some water left in them were stagnant, and there were no fish due to the poor water quality. I had a lot of trouble...
Kanchanaburi in western Thailand is close to the border with Myanmar and is an area of great biological interest. I have been visiting this place frequently for quite some time to take photos and observe the creatures. When you go to this area, be sure to check out the crabs that I previously introduced in this column...
Previously, in this column, I introduced Thailand's Chang guppy. After that, it arrived in Japan through commercial routes and seems to have gained popularity under the commercial name of Dumbo Guppy. It's a personal preference, but here I call it by its commercial name in Thailand, Chang Guppy...
No. 17 “Rasbora” Somphongsi (Trigonostigma somphongsi)
The ``Rasbora'' somfongsii is a representative fish whose name you may know from illustrated books but have never seen in real life. Currently, the genus Genus Rasbora has changed to the genus Trigonostigma.
In this column, we have introduced several wild bettas that belong to the Splendens group. Other colorfully colorful wild bettas that live in Borneo and elsewhere are fairly popular even if I don't introduce them, but this Splendens Glue...
Every spring, from March to May, I try to go to Southeast Asia to take pictures. The reason for this is that a large amount of cedar pollen is scattered in Japan at that time of year. Cedar does not grow naturally in Thailand, Laos, Cambodia, Myanmar, etc., so cedar flowers...
No. 14 “Betta Siamese Orientalis”
Last year, two new species were added to the Splendens group, which has a relatively small number of species within the Betta genus. One type is Betta mahachaiensis, which was introduced in this column last time, and the other type is Betta Siamoli...
I apologize for the timing being a bit off, but the Betta sp. ``Mahachai'', which was familiar to Waldo Betta enthusiasts, was finally described as a new species as Betta mahachaiensis in October last year. So this time I will introduce this betta ma...
Kanchanaburi in eastern Thailand borders Myanmar and is home to interesting fish species, so I often go there to photograph and collect fish. However, Kanchanaburi is quite large, and the place where I go for fieldwork is Sangkhlaburi (Sangkhlaburi), the westernmost part of Thailand.
No. 11 “Betta sp. Sihanoukville”
At the end of January last year, O photographer came to Thailand from Japan, and we decided to go to Cambodia together to search for fish. Compared to Thailand, where you can move freely, Cambodia is less safe and there are still landmines in some places, so there is still little information about freshwater tropical fish...
Last November, when I went to Savannakhet in Laos to take pictures, I came across wild crabs being sold as food at the market. In her case, when she visits a new field, she makes it a point to visit the nearby market. The fish lined up as products there...
There is a region called Mahachai not far from Bangkok in Thailand. It is a quiet port town facing the sea. If you love fish, the name of this town will probably be familiar to you. This is because wild betta was discovered in the brackish waters where Nipa palms and other trees grow.
Even Japanese people probably know that Thailand was suffering from floods last fall, as it was covered in the Japanese media to a disgusting degree. At the time, I was staying in Thailand. Many of the tropical fish farms including betta fish are about two hours away by car from Bangkok.
No. 7 “Crabs that live in the air”
Previously in this column, I introduced crabs of the genus Geothesarma from Indonesia. He says that there are two types of crabs of this genus that live in Thailand, where he bases his fieldwork. As a crustacean lover, I would definitely like to see how these Geocesarma live in nature...
No. 6 “Betta original species”
Betta fish come in a variety of colors and fin shapes, but all of the ones with large, showy fins are improved varieties created by humans. Betta splendens, a species that is rarely introduced, has small fins...
Episode 5 “Deep Red Vampire Club”
This time we will be introducing a crab of the genus Geosesarma that lives in freshwater areas of Indonesia. It seems that this family was previously placed in the Grapsidae family, but now it is now in the Crassulidae family (Sesarmidae).
No. 4 “The bitter charm of Half Moon Betta”
Last time I introduced Plakat, so this time I will introduce Halfmoon, which is currently the most popular betta fish. This Half Moon is extremely popular in Japan, but in Thailand, the home of Betta fish, it is overwhelmingly inferior to Plakat in terms of popularity. Plakat has been around in Thailand for a long time...
No. 3 “Summer-colored plastic cut”
This time, I'd like to introduce some plastic cut fish with colors perfect for summer that I found at the Sunday market in Bangkok, Thailand, the home of betta fish. Before that, first of all, what is plastic cut? For beginners, let's start with a rough explanation of Betta breeds...
Part 2 “Hayasebozu Goby of Iriomote Island”
Recently, various types of small gobies have been imported into the aquarium world, and they are entertaining aquarists. Not only are the small gobies beautiful, but they also eat the algae that grows in the aquarium, so they are great for cleaners...
Part 1: “New face of small Origias”
This time we will introduce Oryzias songkhramensis, which was just described as a new species last year, and its members O. minutillus and O. mekongensis...