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pro vyhledávání: '"Kazimierz Machniak"'
Autor:
John H. Gee, Kazimierz Machniak
Publikováno v:
Journal of the Fisheries Research Board of Canada. 32:303-307
Tadopole madtom (Noturus gyrinus) and black bullhead (Ictalurus melas) adjusted buoyancy by altering swimbladder volume becoming less buoyant in current than in still. Extent of adjustment was dependent on size. Tadpole madtom adjusted buoyancy withi
Publikováno v:
Journal of the Fisheries Research Board of Canada. 31:1139-1141
All 12 species of physostomes and 8 species of physoclists altered their buoyancy in response to a change in water velocity. All species showed excess internal pressure of swimbladder gases.
Autor:
John H. Gee, Kazimierz Machniak
Publikováno v:
Journal of the Fisheries Research Board of Canada. 29:330-332
Longnose dace were found from early July to September in onshore waters on the east side of Hecla island in the southern basin of Lake Winnipeg. They were most abundant on rocky substrates, where they spawned in early July. It is suggested that at ot