First Record of Isocyamus kogiae Sedlak-Weinstein, 1992 (Crustacea, Amphipoda, Cyamidae) from the Eastern Pacific, with Comments on Morphological Characters, a Key to the Genera of the Cyamidae, and a Checklist of Cyamids and their Hosts
Martin, Joel W.
Heyning, John E.
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The cyamid amphipod species Isocyamus kogiae Sedlak-Weinstein, <br /><br />1992, is reported for the first time from southern California, extending the known <br /><br />range of the species from Moreton Island, Queensland, Australia, to the north- <br /><br />eastern Pacific. Additional descriptive notes are provided based on a single adult <br /><br />male taken from a pygmy sperm whale, Kogia breviceps (de Blainville, 1838), <br /><br />stranded near San Diego, California. Morphological differences between this spec- <br /><br />imen and the description of the type series are discussed. A revised key to the <br /><br />six currently recognized genera of the family Cyamidae is provided, as well as a <br /><br />checklist of all described species of the family, their cetacean hosts, and the ranges <br /><br />of those hosts.