Fish Species at

Twilight Zone Corals

Plumb beneath the usual depths for some fascinating corals you can keep.

By Bob Goemans

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As the marine hobby progresses, coral species that just a few years ago were not available or even known to hobbyists are becoming available in the trade. Caring for these newcomers — in fact, some of these have been accessible for decades but are only now becoming popular — is still not fully understood or it simply hasn’t been accomplished properly, in some instances. The problem may have begun about 100 years ago when corals were thought to be plants, not animals. But as science progressed, it was realized corals are in fact animals, and there are basically two different forms: those that contribute to reef building and those that do not help make reefs.

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