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.

Prognathodes obliquus and P. dichrous are two similar yet unobtainable species from the Atlantic

The Prognathodes butterflyfishes are an underrated and seldom kept group of fishes that surely deserves some quality air time. While commoner species such as P. marcellae, P. aculeatus and P. aya make it into the trade from time to time,…

Pictures and videos of Genicanthus personatus in the wild cements its holy grail angelfish status

I like looking at rare fish pictures as much as the next guy, but if there’s anything that excites me more, it’s the thrill of finding pictures of rare fish in the wild. Featured this time are a slew of…

Chaetodon tinkeri shows why the roaps butterflyfishes are fearless and hardy

Hybrids aside, Chaetodon tinkeri is the least common and arguably the coolest obtainable member of the five roaps butterflyfish – with emphasis on the word obtainable. As far as butterflyfishes go, all five species within this subgenus Roaps are hardy…

Brand new and better videos of the one and only Lipogramma robinsi

[youtube]http://www.youtube.com/watch?v=Wiu-mrvTwFg&feature=player_embedded#![/youtube] We posted about the only captive Lipogramma robinsi in the world not too long ago, and then updated with a short video of it. The old video, nice as it may be, cannot compare to these brand new out of…

Chaetodon daedalma X C. guentheri is one of many hybrids from the waters of Ogasawara

Ogasawara in Japan is home to many rare species and hybrids such as the Genicanthus semifasciatus X G. takeuchii hybrid and the Wrought iron butterflyfish hybrid above. The hybrid love child isn’t nearly as impressive as one half of its…

Pseudanthias calloura documented in Palau as well as the Celebes Sea before official description

Pseudanthias calloura is a fantastic species made known to aquarists only in the recent years. Also known as the Aurora anthias, the gorgeous serranid is a colorful mix of cadmium orange and lavender. P. calloura is a central pacific species that…

Acanthurus polyzona, a little known species similar to convict tangs

Acanthurus polyzona is a very seldom seen fish that closely resembles the obscenely common Acanthurus triostegus, more commonly known as the Convict Tang. Unlike the Convict Tang, A. polyzona is a Western Indian Ocean species and can be found in…

B-Box Aquarium shows off latest video featuring a Gramma dejongi hybrid

B-Box Aquarium treated us with a sensational close up video of Gramma dejongi the last time, and then teased us again with what appeared to be a photo of a G. dejongi x G. loreto hybrid. They topped themselves this…

Reefs of Ogasawara are ablaze with angelfish and damselfish

The reefs of Ogasawara may not be as colorful and vibrant as the indo-pacific, but boring and quiet it most certainly is not. The short video above proves just that, as it focuses on a lone sub-adult female Genicanthus takeuchii…

The Rowley Shoals is home to pristine coral reefs as well as some very unique fish

[youtube]http://www.youtube.com/watch?v=RWGkuMnc7OE[/youtube] The Rowley Shoals is a group of atolls located south of the Timor Sea, NorthWest of Australia. The undisturbed reefs of Rowley Shoals really speak for themselves in the video above. Check out the awesome male Pseudanthias tuka with…