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Cairns Marine’s Yellow Mottled Hammer Coral has us going Bananas
We’ve handled a lot of hammer corals over the years, both Branching and Walling, but this Yellow Mottled Aussie Ancora from Cairns Marine stands out for its color, mottling pattern, and its…
One million-liter cylinder aquarium bursts in Berlin
A massive aquarium has burst inside a hotel complex in Germany. Named the AquaDom, the walls of the 46 feet high, 264,172-gallon cylinder aquarium gave way at 5:45 am on Friday morning, at the Radisson Hotel, Berlin, causing substantial damage…
Synchiropus flavistrigatus is a new species of dragonet from the tropical eastern Atlantic
A new species of dragonet has been described from the deep waters between Guinea Bissau and Angola. Named the Guinea Dragonet, the new species averaged 90mm in length and was described based on 15 specimens obtained from bottom trawls at…
Russell Kelley Online Coral ID Workshop is back in January 2023
After overwhelmingly positive feedback from the previous workshops, the Online Coral ID Workshops are back, and now spanning 4 days. That’s 16 hours of Indo-Pacific Coral ID Training! Proper coral identification matters and this workshop will teach you all the…
Biota offer cultured coral alternative from permit-restricted Palau
Most aquarium hobbyists in the United States today have never seen hard coral from Palau. Palau’s national congress passed the Marine Protection Act of 1994 which restricted hard coral exports, and starting in 1997, the MPA stated that only citizens…
Rainbow Blasto looks like a Master Scoly!
We’ve been admiring the Blastomussa genus of late, and especially the Large Polyp Blasto, Blastomussa vivida. Like its congeners, B.vivida can come with that classic cherry red rim with a bright green center, but then also solid cherry red to…
Things With Stings Reef is a collection of all things venomous
Every so often reefkeepers push the boundaries of what’s possible in an aquarium. Tom Hone is one such aquarist, who through passion, drive and determination has introduced a world-class collection of venomous fish species to his 146-gallon mixed reef. His…
10 great gift ideas for reefkeepers
Christmas is coming and nothing shows a reefkeeper you love them more than giving them a gift of something related to their hobby. Here are the Reef Builders’ top 10 reef gift recommendations: Smartphone Coral Lens A coral lens is…
Heliopora hiberniana is more common than we thought
Helioporacea is a pretty unique order of Octocorallia (soft corals), which was thought for a very long time to contain only one single species, Heliopora coerulea, the famous Blue Ridge Coral that incorporates copper into its skeleton. This coral is very…
Pillar Coral moved to Critically Endangered on IUCN Red List
The Pillar Coral (Dendrogyra cylindrus), has moved from Vulnerable to Critically Endangered on the IUCN Red List after its population shrunk by over 80% across most of its range since 1990. The most urgent threat is from Stony Coral Tissue…
Video: How to Set Up the Red Sea Complete Reef Care Program
When Red Sea changed its popular dosing system from seven parts to a controlled ratio…
A whopping 62 species reported as new from the Coral Sea Marine Park
Reef Builders Alumni and master ichthyologist, Yi Kai, has teamed up with a star studded…
BYOGuides Announces New Workshops
Russel Kelly has created an iconic set of Be Your Own (BYO) Guides which serve…
Tunze Launches English YouTube Channel
Known for its bulletproof pumps and German engineering, Tunze has also been big on YouTube…
