By Bob Goemans
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 Hypnea cervicornis (Hookweed)

Hypnea cervicornis
J.Agardh 1851


Not Reef Tank Suitable

Not Suitable for Fish-Only Tank


Often appears in colors other than red, e.g., brown, pink, gray, purple. In the wild it's considered an invasive species, often washing up on shorelines by the tons. Has the potential in aquariums to overcome other growths, including coral animals. Must be removed when first seen.

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