Expand All / Collapse All Features: Hobbyists Advancing the Hobby, Part II: An Introduction to Project DIBS   by Brian Plankis   In Part II of his Hobbyists Advancing the Hobby series, Brian presents the Desirable Invertebrates Breeding Society, also known as Project DIBS. Project DIBS is a community based effort to raise awareness and availability of captive-bred livestock in the aquarium hobby with the ultimate goal of reducing the hobby's reliance on overharvested or inappropriate invertebrates. ReefSlides - Hermit Crabs   courtesy of Reef Central Members   Join us in a slideshow featuring the infamous hermit crab. "Frag" of the Month - Propagation of Colt and Organ Pipe Corals   by Greg Hiller   This month Greg demonstrates techniques for fragmenting Colt coral and Organ Pipe coral. Tank of the Month   This month we are featuring Dessy Dietrich's beautiful reef aquarium.   Dessy describes her 120-gallon reef aquarium.

Expand All / Collapse All Columns: Coralmania by Eric Borneman Applications of Sand in Reef Aquariums: Theory and Practice   Eric performs an experiment designed to address the degree to which sand dissolution can maintain the calcium and alkalinity demands of coral reef aquariums as originally proposed by Jaubert almost twenty years ago. Reef Alchemy by Randy Holmes-Farley, Ph. D. Ammonia and the Reef Aquarium   Randy provides a detailed basis for understanding ammonia in seawater - where it comes from, how it is toxic and at what concentrations, and how to deal with ammonia "emergencies." TalkingReef by Rob Weatherly   Rob interviews Brian Plankis, who discusses his current feature article discussing Project DIBS. Science Notes & News by our Science Editors & Staff Topic: Nutrient Enrichment and Black Band Disease & Temperature and Light Effects on Sr/Ca and Mg/Ca in Acropora Skeletons Reefkeeping's Top 10 by Readers Top Ten "Worst Days" In Your Life As A Reefkeeper... Thread of the Month "T5s vs. MH... What would be the ultimate faceoff?" by Sanjay

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Cover: A Midas blenny - Ecsenius midas. Photo courtesy of Greg Rothschild.