Rossia pacifica (Berry, 1911)
Stubby Squid, Short Squid
|Found in Friday Harbor, WA. Picture taken at Rosario Beach Marine Station, WA|
|Photo by: Robbie Wheeling, July 22, 2002|
How to Distinguish from Similar Species: No similar species.
Geographical Range: This species ranges is along the north Pacific rim from Japan to southern California.
Depth Range: This species is benthic in coastal waters, subtidal (16-370 m) but on rare occasions at night found swimming at the shore in the intertidal zone.
Habitat: This species is fairly common on bottoms of sand or muddy sand.
Biology/Natural History: These small
sepiolids crawl on their arms or swim, and dig shalow depressions in the
sea floor, in which they rest wit htheir arms rolled under their heads.
They inhabit shrimp beds; over 80% of their diet consists of shrimp, although
crabs, mysids, small fishes, and cephalopods are also eaten. Spawning
occurs in the summer and fall in deep water. Each egg (4-5 mm in
diameter) is contained in a large (8 mm by 15 mm) capsule. The capsules
are attached singly or in small groups to seaweeds or other objects on
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Scott and Blake, 1998
Morris et al., 1980
This individual, with body length about 7 cm long not including tentacles,
was also collected by otter trawl in the San Juan Channel.
Photo August 2011 by Dave Cowles