Hawaii Biological Survey's


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33. Fuchsia Flatworm

Scientific name: Pseudoceros ferrugineus Hyman, 1959

Classification: Phylum: Platyhelminthes. Family: Pseudocerotidae

Origin: Indigenous

Status: Uncommon

Distribution: O`ahu, in deeper waters

Sound file: --

Map: --

Forty-four species of these flatworms occur in Hawaiian waters. All are relatively small, to an inch or so, and most are very highly colored like this fuchsia flatworm. Most flatworms are very thin and have ruffled edges that undulate back and forth when they swim. Since most flatworms are active at night, they are often missed by snorkelers or swimmers. All are carnivorous and feed on small worms, crustaceans, and ascidians.

   Photo © HBS