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Download Cardinalfishes of the World by Rudie Kuiter for Free

Cardinalfish are a diverse and very numerous group of marine fish that doesn’t get nearly enough airtime in the reef aquarium hobby. Save for a few species like the pyjama and banggai…

You Want to be Watching Brian Greene’s Videos

Brian Greene is no stranger to the pages of Reef Builders, nor to the annals of deep diving history having discovered a wide range of very cool and rare deepwater fish. In recent years it’s become easier than ever to…

Breaking

France’s Marineland Has Rare Captive Breeding of Gramma Dejongi

It appears that Gramma dejongi, once a very inaccessible reef fish is about to become a lot more common fish in the reef aquarium world. Right after Biota showed their first captive bred G. dejongi, a French Public Aquarium called Marineland…

Carbon Fiber Pipe is the Ultimate Status Symbol of Plumbing

If you thought colored PVC pipe was cool, just way until you get a look at the carbon fiber pipe that is starting to be used in some very high end reef aquarium plumbing work. We’ve always kept on eye…

Rossmont Skimer is both Controllable and Programmable

It’s been more than a year and a half since Rossmont let the world know about the world’s first AC controllable protein skimmer, initially called the Skemer, and now renamed the Rossmont Skimer. Whatever you call it the team at…

Featured

All the HOT Corals Were at ReefStock Australia This Year

The two biggest reef shows of the summer, ReefStock Australia and MACNA, have come and gone and while we’re almost caught up on all the products from MACNA, we still have a lot to tell you about ReefStock Australia. Although this…

Porites farasani & P. hadramauti, Two New Stony Coral Species

Porites farasani & P. hadramauti are two new species of small polyp stony corals recently described from the Red Sea and the Gulf of Aden. These two new Porites species were recognized as novel for having a very different growth form,…

AquaC Skimmers Getting ‘Resurrected’ by Cobalt Aquatics

The AquaC line of ‘spray injected’ protein skimmers is an entire lineage of foam fractionators that carved their own path in the reef aquarium hobby, and interestingly were never really copied or imitated. Once the darling of the reef aquarium…

Salinity Manager by Fauna Marin

The Salinity Manager is a new kit from Fauna Marin to help reefers manage the salt content of their saltwater aquarium with greater ease, and accuracy. The kit for Salinity Manager includes a quality conductivity meter, cleaning solution to keep the…

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…