Raccoon butterflyfish are one of the commonest species of Chaetodon in aquariums, while Panda butterflfyfish, Chaetodon adiergastos are very seldom kept in captive aquariums. You can gather how exciting then, it was to discover this stunning cross of raccoon and…
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Genicanthus semifasciatus angelfish makes a surprise appearance in large numbers
Genicanthus semifasciatus is perhaps the rarest of the obtainable six species of swallowtail angelfishes that make up part of the Genicanthus genus. The other four members are extremely rare and conventionally unobtainable to the average aquarist, perhaps with the exception…
Blueface X Sixbar Hybrid Angelfish Lands at Iwarna Aquafarm
A beautiful angelfish hybrid has landed at Singapore-based livestock retailer Iwarna Aquafarm. Thought to be a cross between a Blueface Angelfish, Pomacanthus xanthometopon, and a Sixbar Angelfish, Pomacanthus sexstriatus, this large angel lovechild features the yellow eye mask, blue pelvic…
14 of our favorite featured fish from 2022
Cast your eyes over our pick of the hottest fish to make the Reef Builders news in 2022.
A Close Look at Captive Bred Regal Angelfish
Regal angelfish are one of the most unique of all angelfish being the only species belonging to a monotypic genus, Pygoplites, and also the only angelfish to have two described subspecies, a rare designation among marine fish. It was nearly three years…
This Specimen is a Great Candidate for a Queen X Rock Beauty Hybrid
Hybrid angelfish and finding them is one of the more interesting aspects to being a fan of the more than one hundred species of the most colorful and interesting fish on tropical coral reefs. Sometimes the hybrids are very obvious…
Cherry Fairy Wrasse is an Exciting New Cirrhilabrus from the Philippines
The Cherry Fairy Wrasse is a new species of Cirrhilabrus which has just been discovered in the Philippines. The new fairy wrasse is wildly distinct from any known species of Cirrhilabrus, but shares a few similarities with some common, popular marine aquarium…
What do air compressors have to do with aquarium corals and fish?
We are back from an epic road trip through central Indonesia where we’ve been looking far and wide for rare fish and awesome corals. It is safe to say our journey was a success however, this really got us thinking…
Reef Builder’s recap on 2013’s most alluring hybrids
We wouldn’t be doing our job if we didn’t cover any hybrids this year, and like the hardworking elves at Santa’s factory, we made sure we did it with glitter and bow ribbons. This year we had our fair share…
Awesome Fish Spotlight: Cirrhilabrus brunneus, specter of darkness
Today’s Awesome Fish Spotlight is a recap on a species that we’ve highlighted before, but aims to introduce new pictures of a brand new specimen that recently entered the market again. Cirrhilabrus brunneus is a rare species that is closely…
