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Free Content Biological Results of the University of Miami Deep-Sea Expeditions. 118

Cephalopods Collected in the Straits of Florida By the R/V Gerda

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Fifty species of cephalopods are identified from the Straits of Florida from the 698 specimens collected by the R/V Gerda. This raises the total number of species known from the Straits from 49 to 64. Four are new records for the Western Atlantic: Pterygioteuthis gemmata, Abraliopsis pfefferi, Corynoma speculator and Helicocranchia pfefferi. Two others, Rossia bullisi and Abraliopsis atlantica, are reported for the second time in the literature. The male of Abralia redfieldi is described for the first time. The first mature specimen of Danoctopus schmidti is reported with drawings of its radula and ligula.

Pelagic distributions are analyzed with respect to mean depth of capture and concentration in particular geographic regions of the Straits. Benthic distributions are analyzed regarding bottom type and concentration in geographic regions of the Straits. Diel migration is discussed for several species. The zoogeography of all species reported in the Straits is discussed.

Document Type: Research Article

Publication date: April 1, 1976

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