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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.

Yellow Holacanthus angelfish is not quite a queen, nor a rock beauty

A very unusual yellow Holacanthus angelfish has turned up at B-Box Aquarium which is not quite a queen angelfish although it does bear some traits of the Rock Beauty angelfish, Holacanthus tricolor. The Queen Angelfish (H. ciliaris) is a staple…

Lubricogobius dinah, not your run of the mill clown goby

Lubricogobius dinah is a fantastically coloured goby that is found predominantly in the Ryuku islands off Japan, and Papua New Guinea. The little fish is painted in a striking highlighter yellow with a silvery stripe that runs from the head…

Unique hybrid halfblack angelfish looks like a pygmy kingi

the Eibli’s dwarf angelfish, is a common dwarf angelfish hailing from the Indo-Pacific. It is well known in the trade as a common fish, but even more well known for its abilities to produce magnificent hybrids. The fish is promiscuous…

Chaetodon xanthurus X C. guentheri is odd, even for a hybrid butterflyfish

When the topic of hybrid butterflyfishes gets brought up, almost certainly does the discussion revolve around the Roaps subgenus and their related hybrids. In the past year or two, we’ve seen several magnificent hybrids from this group emerging from the…

Juvenile Bodianus izuensis is a rare treat for Hogfish lovers

Not too long ago we were split between two very rare and beautiful hogfishes, Bodianus masudai, and B. paraleucosticticus. Well the labrid indulgence does not end there, as this amazing juvenile Bodianus izuensis made a surprise appearance in Singapore. Measuring…

Supermale Halichoeres claudia, red-scribbled wrasse, is not your average Christmas wrasse

Halichoeres claudia at first glance may come across to many as just another “Christmas Wrasses”. The term, commonly allocated to most of the Halichoeres wrasses sporting similar coloration. H. claudia however, is no such stereotype. These lovely photographs of the supermale…

Hybrid Panther x Bumblebee grouper is both beautiful and edible

‘Fish are friends, not food”. Well, not so much for this man-made hybrid grouper. The amazing fish shown above is the result of a cross between the Panther grouper and the Bumblebee grouper (Cromileptes altivelis X Epinephelus lanceolatus). Bred for…