A family of soft corals and sea fans that includes organisms like black corals, characterized by their branching, tree-like structures.
From Greek anti- (opposite to) + pathos (passion/suffering), with Latin -ida (family suffix), alluding to how these organisms invert the typical animal pattern. Named by 18th-century zoologists who found these creatures taxonomically 'opposite' to expected coral anatomy.
Black corals were so unusual when first studied—growing downward into the abyss instead of reaching toward sunlight—that naturalists struggled to classify them, hence naming them with a word literally meaning 'against feeling,' as if nature was defying expectations.
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