Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Has journal Fisheries Oceanography Advisor Pratt, Ivan Degree Name Master of Arts (M.A.)

A morphological study of gonatid squids found off the Oregon coast

Creator:

Spencer, Larry Thomas

Abstract:

Gonatus fabricii (Lichtenstein, 1818), G. magister Berry, 1913, G. anonychus Pearcy and Voss, 1963, and Gonatopsis borealis Sasaki, 1923 (Gonatidae) are squid forming a major portion of the cephalopod fauna found off the Oregon coast. A study was undertaken to determine the morphological differences among the four species of squid....

Resource Type:

Masters Thesis

Full Text:

frorn the collections of the Departrnent of Oceanography, Oregon State University. Most of the
Some digenetic trematodes of Oregon's tidepool cottids

Creator:

Hall, James Raymond

Abstract:

The host fish for this study were collected from January through June of 1965. Tidepools were selected at Bar View, Cape Arago, Neptune State Park, Seal Rock, and Yaquina Head. Of the 187 fish examined, 132 were infected. The following host fishes yielded the following parasites. New Host records are...

Resource Type:

Masters Thesis

Full Text:

Wilby (1949) and the cottid reference collection of the Department of Fisheries and Wildlife, Oregon
The swimming response of the Sacconereis stage of Autolytus varius to changes in hydrostatic pressure

Creator:

Smith, Randall William

Abstract:

The syllid polychaete Autolytus varius reproduces in the spring and early summer in Yaquina Bay, Oregon, The fertilized female epitokes, or Sacconereis, carry the developing eggs and larvae in a ventral sac until the larvae are ready to be released; incubation lasts 14 to 18 days in the laboratory, The...

Resource Type:

Masters Thesis