Euphyllia baliensis, the Holy Grail Quest!

It’s been over eight years since the small polyp Euphyllia baliensis was described from the deep waters around the Indonesian Island of Bali. It’s also been around eight years that we’ve been searching for this coral, pushing the limits of…

First Live Photos of Rare Deepwater Grammatonotus xanthostigma

Grammatonotus xanthostigma is a new species of deepwater basslet that was recently described in 2017 after their discovery by technical divers Drs. Brian Greene and Rich Pyle in 2015. Despite its objective beauty both in shape, pattern and color, the…

New Species of deepwater scorpionfish, Scorpaenodes barrybrowni

Scorpaenodes barrybrowni is a new pretty little species of scorpionfish from the deepwaters of the Caribbean Sea. Discovered in Dominica by the Curasub, the newly described Scorpaenodes barrybrowni is named in honor of Barry Brown, a member of team Curasub and the…

Acropora for Beginners

With the introduction of more aquaculture and mariculture facilities, there has been a boom in specimens available at the local fish stores these days. But I will say for certain that if you can get a frag from a successful…

Blackcap Basslet: A Comely Deepwater Cousin to the Royal Gramma

Most marine aquarium hobbyists are well acquainted with the royal gramma (Gramma loreto), a worthy tank inhabitant by virtually any measure. But G. loreto isn’t the only member of the Gramma genus that is well worth its salt. Another is…

The ABCs of deepwater Chromis

The pan-oceanic genus Chromis is a ubiquitous component of any coral reef, and can be found anywhere from sun speckled coral gardens to lung compressing depths in the mesophotic twilight zone. Despite their near abrasive presence both in the field and in…

Brian Greene, Richard Pyle and Sonia Rowley teases with a surfeit of undescribed species from Pohnpei

To the uninitiated, the mesophotic coral reefs would seem like an unlikely place to find vibrant fish life. Antonymous to the ebullient habitat of shallow water coral gardens, the mesophotic zone is a gloomy contrast of seemingly endless dread and forlorn landscapes. Except not…

The Candy Basslet: A Sweet Deepwater Denizen on Many a Hobbyist’s Wish List

Ask any group of marine fishkeepers to name their most sought-after species—the fishes they’d really love to own if money and availability were no object—and most of them will likely place the candy basslet (Liopropoma carmabi) somewhere close to the…

Will you stop hiding from me! Lonesome Liopropoma

Today’s post is c0-contributed by Mr. Tay, a friend of ReefBuilders and one of my best fish buddies in Singapore. Mr. Tay is known online by his alias “Digiman”, and has an extensive collection of deepwater and unusual fish, many…

“Holy Grail” Angelfish Bred in Captivity

Certain marine fish are so uncommon in the aquarium hobby yet so beautiful to behold that they fetch an absolutely mind-blowing price (sometimes in the many thousands of dollars for a single specimen) when they do make a rare appearance…