Love nudibranchs and own an iPhone? Then this app might be for you.

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The Center for Biological Diversity has taken the next step to help federally list these corals in an effort to help protect their habitat and to speed recovery. This is an important next step in the protection of coral habitats given the environmental pressures they now face worldwide.

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In more reef environmental news, a recently published research confirms human activity plays a major role in the degradation and recovery of coral reefs in Hawaii. To no one's surprise, an increase in human-environment interactions results in reef decline. However, the study also found coral reefs rebound with great resiliency if given the chance, providing us hope that with proper management, damaged reefs can thrive again.

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Morphologic posted another great Educational Short to their Vimeo channel recently showing how the Coral Restoration Foundation (CRF) grows the threatened staghorn coral (Acropora cervicornis) for transplantation back to the reef. Video after the jump.

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Conservation efforts are usually aimed at the preservation of habitat and the organisms that form the foundation of the food pyramid because we have a tendency to view ecosystems from the bottom up. However, a recent study published in Science tells us that the preservation of predators plays just as crucial a role. The Scripps Institution of Oceanography has issued a press release describing the top-down effects of apex predators in ecosystems.

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Anyone want to win some free reefkeeping prizes? I thought so! Marine Depot is running a new giveaway. Subscribe to their email newsletter for a chance to win one of three advanced cooling fans. It's that simple!

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The Harlequin Filefish (Oxymonacanthus longirostris) is not a commonly kept reef fish because it is a corallivore with a diet consisting mainly of Acropora polyps. But have you ever wondered why this unique species is colored and shaped the way it is? And what's with the oversized first dorsal fin?

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The Coral Beauty deserves its reputation as one of the best and easiest to keep Dwarf Angels, it is so often seen as THE Dwarf Angel of choice, passed over perhaps only by the slightly more expensive Flame Angel.

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