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Melibe mirifica (Allan, 1932) [Propemelibe]

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The most unique attribute of the genus Melibe and so of Melibe mirifica is their method of feeding. They have no radular teeth and but have developed the oral veil into a large veil or "fish net" which they use to constantly scan the substrate as they crawl along. When the sensitive papillae on the inner edge of the oral veil touch a small crab or crustacean the edge of the veil is rapidly contracted, trapping the prey, which is then ingested.
Melibe mirifica is reported to grow to more than 30 cm, the rhinophores are relatively small and the ceratal tubercles are conical and unbranched. At the front of the body is an enormous circular membranous oral hood or veil, about 20 cm in diameter.
More informations on Melibe mirifica are at Bill Rudman's Sea-Slug Forum!