KaiTheFishGuy
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Kai is a systematic ichthyologist at The Australian Museum, Sydney. His research interests combine the use of cutting-edge next generation sequencing techniques with traditional methods of morphology to better understand the evolutionary history of coral reef fishes. He is a legacy ReefBuilders contributor, having previously written close to give hundred articles under his pseudonym LemonTYK.

Aberrant Chaetodon octofasciatus is just like finding a ‘Shiny Pokemon’ in the wild

We’ve all heard of “mis-barred” fishes whereby the stripes are either missing, misaligned or totally warped. Such aberrations are usually mistakes in the expression of these traits, but luckily for these fishes, mis-barring is usually a plus point for fish…

Pseudanthias sheni is a closely related species to the ubiquitous square-spot anthias

Pseudanthias sheni is a gorgeous, and almost doppelgänger of Pseudanthias pleurotaenia, or the square-spot anthias. Unlike the latter, the Shen’s anthias is somewhat more subdued in coloration, with more shades of white. The caudal fin of P. sheni is comparatively…

Hybrids of the Euxiphipops blue face and majestic angelfish are rare and interesting

As mentioned recently regarding hybrids, species belonging in the same genus or complex often hybridize in the wild. The same is applied for the three members of the subgenus Euxiphipops in the Pomacanthus genus. P. navarchus, P. xanthometopon and P. sextriatus; more commonly known as the majestic, blueface and six…

Pontyandayo’s reef tank was a tabling acropora and angelfish paradise

Not only are the Japanese famed for their ability to procure rare fish, they are also well known for their meticulous, sleek and neat reef tanks. Youtube user Pontyandayo’s reef tank is a classic example of a neat, well maintained…

Walking cat shark is just one of many unique species found in Raja Ampat and the Bird’s Head Peninsula.

[youtube]http://www.youtube.com/watch?v=nHJWqYw3IIM[/youtube] The walking cat shark of Raja Ampat was recently discovered in 2006 and is just one of many incredible species found in this hotspot for diversity. From the video above it is clear where the shark gets its name…

Male femininus wrasse video by B-Box Aquarium could be the first of its kind

The femininus wrasse has been entering the trade with a little more regularity and the occurrences have not been decreasing yet. That’s great news for fans of this fish. Anampses femininus has got to be single handedly the most stunning…

Amazing high definition video of Tuamotu is reason enough to visit the French Polynesia

If the amazing video above of Tuamotu isn’t reason enough to make you wanna visit the French Polynesia, then perhaps the diversity of fish and island atolls will. The French Polynesia is made of six major island groups, with Tahiti…

Macropharyngodon moyeri is a unique leopard wrasse from the waters of Japan

Macropharyngodon moyeri is a lesser known and rare species of leopard wrasse that never enters the mainstream aquarium trade as far as we know. The largely Japan endemic wrasse can apparently also be found in Taiwan, but is mostly found…

Inter-subgeneric hybrids of Roaps butterflies are rare and amazing

Roaps butterflyfishes can form hybrids with other unrelated members of the butterflyfish group although very rarely, to form inter-subgeneric hybrids. Fishes and other animals generally hybridize with other species that are highly similar, usually in the same genus, or within the…

Calumia sleeper gobies are unique and pretty much unknown

Calumia is a genus of sleeper gobies comprising some pretty unique fishes. Not very much is known about them and very little pictures of live specimens are available. The live picture of C. profunda above clearly shows the unique angular…