Appearance
Its maximal diameter is 30 cm for ten arms maximum. Its coloration is usually black but it can also be black and white, and even brown-gold for rare specimen.References:
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Black feather star
Colobometra perspinosa
"Colobometra perspinosa" is a species of echinoderm known by the common name black feather star. The Black feather star is widespread throughout the tropical waters of the central Indo-Pacific region. This feather star is often clinged to gorgonians, exposed their open arms to the marine flow to optimise the nutriment capture.
