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The effects of temperature on sex determination in the bloater Coregonus hoyi: a hypothesis test

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Abstract

The hypothesis that temperature was an epigamic factor in bloater (Coregonus hoyi) sex determination in Lake Michigan was tested by rearing bloater larvae in the laboratory at 6, 11, and 15 degrees C for the first 80 days after hatching. The percentages of females of fish exposed to the three treatment temperatures did not differ significantly from the expected, 50%. Therefore, the null hypothesis, that temperature did not influence bloater sex determination within the confines of this study, could not be rejected. Our study of bloater sex determination was an attempt to explain the extreme female predominance (> 95%) that occurred in the Lake Michigan bloater population during the 1960s.

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Additional publication details

Publication type Book chapter
Publication Subtype Book Chapter
Title The effects of temperature on sex determination in the bloater Coregonus hoyi: a hypothesis test
Year Published 1995
Language English
Publisher E. Schweizerbart'sche Verlagsbuchhandlung
Publisher location Stuttgart, Germany
Contributing office(s) Great Lakes Science Center
Description p. 173-179
Larger Work Type Book
Larger Work Subtype Other Government Series
Larger Work Title Biology and Management of Coregonid Fishes -- 1993
First page 173
Last page 179
Country United States
Other Geospatial Lake Michigan
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