Coral crabs aid ailing corals, combat disease

We as aquarists have always believed that coral crabs are mostly positive in their interactions with stony corals. The colorful smooth shelled ones are pretty and probably keep Tegastes and acro eating flatworms at bay, and we know that they…

New research shows live coral trade could actually help preserve reefs

As hobbyists, we’ve used to the perception that importing live coral specimens from the wild has a negative impact on coral reef ecosystems in the wild, but new research is actually showing the hobby is actually having a positive impact…

Broodstock quantities of West Australian dragonet might be available soon

The West Australia Dragonet, Synchiropus occidentalis, was one of the hottest fish of 2012. Better yet, if recent collecting success continues, this fish could remain in the spotlight for the foreseeable future. Unlike the more commonly available mandarin ‘goby’ and target…

Rapture of the Deep – The elusive Narcosis Angelfish

Nitrogen Narcosis, The Martini Effect, and Rapture of the Deep: all are terms used to describe the effects of the alteration in consciousness when diving to depths greater than 100 feet (30 meters).  This temporary and reversible effect is similar…

Reef Builders Magazine – Editorial 1

Welcome to a new chapter in the history of Reef Builders, what a great way to kick off a new year by introducing Reef Builders Magazine, a new on-line publication ready to promote excitement in this fascinating hobby of ours. …

Tunicates growing on zoanthids is probably nothing to worry about

We love a good reef aquarium Critter ID mystery so when Extreme Corals shared around this photo of some odd looking things growing on their zoanthids, our inner Sherlock Holmes was on the case. The colonial nature of the benthic…

‘Hidden Gardens’ is a sneak peek at one of MACNA’s high profile presentations

MACNA is still eight months away yet already a new movie from Wallacea Films is stoking our need to see one of MACNA’s most exciting new speakers. As if Sabine Penisson’s visit to Bali Aquarium‘s coral farm and the announcement…

Five most interesting new coral species described in 2012

From cave-dwelling corals to a new species of the popular Euphyllia coral, 2012 was a very good year for completely unknown stony corals. Some have never been and will never be seen in reef aquaria, while others are prime candidates…

Craterastrea levis joins the newly minted family of stony corals: Coscinaraeidae

Craterastrea levis is not exactly a new coral, it was described in 1983 and it is known to exist in Egypt, Chagos and the Red Sea. Due to some superficial resemblance, Craterastrea was later synonymized with Leptoseris hawaiiensis and remained so until recently…

Mitras LED and Radion XR30 Pro: comparing the color and spread on a big reef tank

The Mitras LED from GHL and Radion XR30w Pro from Ecotech Marine are two of the most advanced LED lights ever made for the serious reef aquarium hobbyists. Although GHL has a lot of experience in making electronics for aquairums…