mass spawning trigger

Star Coral spawning - Photo: Emma Hickerson / NOAA

A recent international study has found that rapidly rising seasonal sea temperatures are the likely trigger for the spectacular phenomena of mass spawning. This month-to-month increase in sea surface temperature can now help them to predict when mass spawning will occur. Mass coral spawning happens when dozens of coral species release eggs and sperm into the sea, on a few nights each […]

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best beginner corals

Montipora Coral, Velvelt Branch Coral, Velvet Finger Coral

  Now that you have arrived at the point where you can begin populating your tank with all those eye catching corals but which ones? Successful reef keeping requires keeping your inhabitants happy – but book knowledge is not the same as the actual experience… Do yourself a favor and start out with some “easier” to keep corals that are […]

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What Your Coral Needs


This updated and simplified, easy to read ‘at a glance’ chart lists basic coral needs such as light, water flow, and food as well as aggressiveness and how easy or difficult they are to keep for commonly found corals in reef and marine aquariums. It can help both new and experienced reefkeepers and aquarists make better choices when selecting corals; help better meet the needs of your tank inhabitants, and make you more successful.

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lab grown corals reproducing in wild

4-year old elkhorn coral outplanted to the reef. Photo: SECORE

For the first time lab grown corals have integrated and reproduced with with a wild population. In 2011 SECORE (SExual COral REproduction) reared endangered elkhorn coral from field collected gametes and then replanted them in 2012. Four years later these corals have grown to soccer ball size and reproduced, simultaneously with the natural population. “This event marks the first ever successful […]

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