Home Acknowledgments Conventions Glossary Maps References Links Articles Thumbnails Species list Suborder Next family	Polyceridae The family Polyceridae includes both nocturnal and diurnal species that often have elaborate tubercles or dorsal processes. They are specialized predators that eat bryozoans, tunicates or other nudibranchs. Some species in the genus Plocamopherus can swim by flexing their bodies latterly and are bioluminescent. There are at least 15 species known from Hawaii in eight genera (Crimora, Kalinga, Kaloplocamus, Plocamopherus, Polycera, Roboastra, Tambja and Thecacera). Crimora lutea Kalinga ornata Kaloplocamus ramosus  Plocamopherus ceylonicus Plocamopherus maculatus Plocamopherus(?) sp. #1 Polycera abei Polycera japonica Polycera sp. #1 Polycera sp. #3 Roboastra gracilis Tambja amakusana Tambja limaciformis Tambja morosa Thecacera pacifica
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