Rossia pacifica Berry, 1911
North Pacific bobtail
Rossia pacifica
photo by FAO

Family:  Sepiolidae (bobtail squids), subfamily: Rossiinae
Max. size:  8 cm ML (male/unsexed)
Environment:  benthic; marine; depth range 10 - 600 m
Distribution:  Pacific Ocean and the Arctic: from Japan northward to Aleutian Islands and Gulf of Alaska. Temperate to polar.
Biology:  It is occasionally observed in tidepools at night (Ref. 865). Members of the class Cephalopoda are gonochoric. Male and female adults usually die shortly after spawning and brooding, respectively. Mating behavior: Males perform various displays to attract potential females for copulation. During copulation, male grasp the female and inserts the hectocotylus into the female's mantle cavity where fertilization usually occurs. Life cycle: Embryos hatch into planktonic stage and live for some time before they grow larger and take up a benthic existence as adults (Ref. 833).
IUCN Red List Status: Data deficient (DD); Date assessed: 29 March 2009 Ref. (120744)
Threat to humans: 
Country info:   

Entered by: Pan-Saniano, Marianne - 11.12.05
Modified by: Polido, Rubyann Robelle - 19.10.17

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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