Roa haraguchiae, an Exciting New Species of Butterflyfish

Roa haraguchiae is the newest species of Chaetodontidae and adds a sixth member to the deepwater Roa genus of butterflyfish. The description of an official new species is usually very exciting but it’s an even more special occasion when it’s a butterflyfish. …

Misbarred Chaetodon octofasciatus is a Whole New Level of Weird

The eightbanded butterflyfish is a species that isn’t exactly ‘celebrated’ in the aquarium hobby, but this specimen is sure to turn some heads of the exotic fish collectors. Big shoutout to Indonesian aquarist Ihsan Aditya for bringing this fish to…

Milletseed Butterflyfish Captive Bred by Biota Aquariums

The millet seed butterflyfish, Chaetodon miliaris, is a common and very abundant reef fish of Hawaii that is now available captive bred from Biota Aquariums. The milletseed butterflyfish is very hardy but should be even better adapted to aquarium life…

Blueline Butterflyfish Hybrid Still Going Strong After Four Years

Unlike the celebrated and chromatically gifted angelfish, the world of butterflyfish is colored mostly in shades of white, yellow, black and occasionally a touch of red or orange. This is what makes the hawaiian endemic blue stripe butterflyfish, Chaetodon fremblii,…

Prognathodes obliquus Subject of Deep Ecology Study [Video]

The oblique butterflfyfish, Prognathodes obliquus is a striking species of marine fish with a very unique pattern and also a true micro-endemic. Like the Clipperton Angelfish we covered last week, the oblique butterflyfish is known only from one group of…

Semilarvatus Makes One of the Rarest Butterflyfish Hybrids

It’s been a long while since we’ve had a fun butterflyfish hybrid to share with you but what’s cool about this specimen is that it is an aquarium established fish. The parents of this outbred fish were Chaetodon lineolatus and C. semilarvatus,…

Prognathodes geminus is the Newest Species of Butterflyfish

Prognathodes geminus is the newest species of butterflyfish from a genus that haunts the abyssal depths of the oceans. Closely related to Prognathodes guezei and P. basabei, the new ‘Gemini’ butterflyfish is so named for its very close resemblance to other members…

Interesting Ecology Shift of Blacktail and Orangeface Butterflyfish

Saltwater fish are among some of the most colorful creatures we can keep as pets but as many species as we have access to, one notable group is a sort of ‘forbidden fruit’ when it comes to living in aquariums.…

Butterflyfish Pairs Must Work Together To Defend their Food

Pairing and monogamy is nearly always associated with sex and reproduction but it turns out that some species of butterflyfish have a different reason to pair up. Competition on tropical reefs is intense for virtually all resources, and there’s always…

Roa rumsfeldi Is A New Species Of Butterflyfish From The Philippines!

Roa rumsfledi is an exciting new species of butterflyfish from a genus that doesn’t get nearly enough attention. Before today the Roa butterflyfish consisted of just four species which all have a high body profile and a pattern of alternating…