Effects of water temperature on survival of eggs and fry of lake trout. [Salvelinus namaycush]
Journal Article
·
· Prog. Fish-Cult.; (United States)
Eggs of lake trout (Salvelinus namaycush) were incubated during 1984-1985 and 1985-1986 in chilled, water that decreased in temperature from 41.5/sup 0/F in November to 38.7/sup 0/F in January and then increased to 45.9/sup 0/F in February. Ambient water temperatures varied from 51/sup 0/F in November to 47/sup 0/F in February. The mean survival (range in parentheses) from fertilization through hatching to a size of 2500 fish/lb was 54% (49-59%) in chilled water and 18% (12-21%) in ambient-temperature water. Chilled water enhanced the survival of lake trout of both the Lake Ontario and the Seneca Lake strains.
- Research Organization:
- Fish and Wildlife Service, Warren, PA
- OSTI ID:
- 5406404
- Journal Information:
- Prog. Fish-Cult.; (United States), Journal Name: Prog. Fish-Cult.; (United States) Vol. 49:2; ISSN PFCUA
- Country of Publication:
- United States
- Language:
- English
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