We’ve Never Seen This Uber Rare Angelfish Look Like This!

The black angelfish, Chaetodontoplus niger, is a species so mysterious that it’s hard to know where to begin trying to understand it. First described from the Hongsha Islands in the South China Sea in 1965, the only modern records that this…

Diving for Corals & Fish at Puako, Hawaii

Hawaii’s fish and reefs are some of the most iconic marine life and recognized the world over. Some of the aquarium hobby’s most important fish like yellow tangs, flame wrasses and bartlett’s anthias come primarily from Hawaii, yet the reef…

Huge Colony of Kung Pao Monti Spotted on Wild Reef

Modern communications and social media tools have brought the aquarium world closer together than ever before, but there’s still a big gap between Wild Corals and Aquarium Corals. Most reef aquarists only get to see small pieces of coral, either…

Unique Corals is the Ultimate ‘Man Cave’ of Aquarium Corals

In just five short years Unique Corals has become not just a big player in online coral sales, but an ambassador of reef aquarium culture. Online coral vendors are as common as Seven Elevens but UC takes it one step…

The Best Pictures Yet Of The Rare Greytail Angelfish

The greytail angelfish, Chaetodontoplus poliourus, is one of the newest species of marine angelfish. It’s also pretty special to us because it was the first ‘new species of angelfish’ we ever got to write about here in Reef Builders. First described…

A Visit to The Horniman Museum and Gardens

During the early days of the hobby there was sort of a barrier that existed between hobbyists, public aquarists and researchers that only some individuals like Bruce Carlson crossed. As a result, at MACNA V in 1993 in Toronto, many…

Blue Acropora Yongei Documented Over 20 Years by Bruce Carlson

Blue Acropora are among the most coveted corals in reef aquarium. Meanwhile, the brilliant Green Slimer Acropora yongei is one of the most common and fastest growing corals in captivity. But did you know these two types of coral have something…

Pink Acropora jacquelineae discovered in Raja Ampat

Acropora jacquelineae is a very recognizable species of deepwater or smooth skinned Acro. It is relatively easy to keep, but until now if you wanted to try your hand at growing the unique shape of Acropora jacquelineae you had to…

Amphiprion thiellei and A. leucokranos are two beautiful natural clownfish hybrids

Clownfishes are pretty promiscuous as far as fishes go, and many are capable of forming hybrids. There are only two genera of anemone fish, with the monotypic Premnas playing host to the pugnacious maroon clownfish, and the rest being placed in…

ORA shows off their first captive bred leucokranos clownfish

Amphiprion leucokranos is a coveted hybrid-species of clownfish which is only very rarely available, usually from the Solomon Islands. But if you made it to MACNA 2014 this weekend you could have seen a display with half a dozen of…