Pterois paucispinula: Mombasa lionfish is split into two species

Lionfish get a bad rap these days for a single species that is an unwelcome visitor to Caribbean reefs. But the Mombasa lionfish is now represented by two species that know where they belong geographically. Pterois paucispinula is the new species…

Symphysanodon katayamai is a beautiful slopefish that is almost unknown in the trade

Many deepwater reef fish don’t get enough air time simply because they live so deep and are hard to find. One such fish is Symphysanodon katayamai, or the yellow striped slopefish. Symphysanodon is a genus comprising of about a dozen…

Geminate sisters and their path to speciation

Ever wondered why with an endless possibility of patterns and permutations, there is always somehow a few fish with consistently repeated pattern templates? A few species that share the same overall appearance but not quite the same. That confusing group of…

Awesome Fish Spotlight: The clandestine life of Centropyge colini

Fabled angelfish of the deep, with a mysterious ectoplasmic glow. Centropyge colini is a dwarf angel riddled with mystique and inexplicable beauty. Of the various deepwater dwarf angelfish known to science, only a few species fall readily into the hands…

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…

Pictures of cool cryptic corals from the Flores Sea

When we get corals through the regular distribution channels, we are at the mercy of the coral collectors in Indonesia and the Pacific Ocean as to what corals they collect, and most often these will be known species that are…

The best MACNA ever is less than four weeks away

The 2014 MACNA committee, of which we are part, has been working its tail off for the better part of two years to put on the Mile High MACNA in Denver Colorado. In that time we have been extremely diligent in organizing…

Leptoseris A Stunning Newcomer to the Reefkeeping Scene

When you have been in the hobby a long time, you tend to see a lot of the same things over and over again. I often become desensitized to some of the most beautiful fish in the world because I’ve…

Pseudanthias calloura makes an unexpected resurgence after a long hiatus

Pseudanthias calloura is widely known for its rarity as well as its beauty. It’s scarcity in the trade has promoted this species to the top of many wish lists, only to bring disappointment to said list makers. Commonly known as…

Two new species of Vanderhostia sport flamboyant tails

Vanderhorstia is a group of little known gobies in the aquarium world, which is a shame because the genus contains many interesting and eye catching species, with two more recently added to the group. Vanderhorstia cyanolineata and V. fulvopelvis are two new…