Reproduction of three species of suckers (Catostomidae) in British Columbia ...
Reproduction of three species of suckers, Catostomus catostomus, the longnose sucker, Catostomus commersoni, the white sucker, and Catostomus macrocheilus, the largescale sucker, has been studied in British Columbia during the summers of 1956 and 1957. These species spawned in the spring months depe...
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| Format: | Text |
| Language: | English |
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University of British Columbia
2012
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| Online Access: | https://dx.doi.org/10.14288/1.0106095 https://doi.library.ubc.ca/10.14288/1.0106095 |
| Summary: | Reproduction of three species of suckers, Catostomus catostomus, the longnose sucker, Catostomus commersoni, the white sucker, and Catostomus macrocheilus, the largescale sucker, has been studied in British Columbia during the summers of 1956 and 1957. These species spawned in the spring months depending on locality and annual differences in climate. 'White and longnose suckers spawned primarily in inlet streams although moderate runs of the former to outlet streams have been noted. Largescale suckers usually spawned in outlets. No lake spawning was observed. Overlap of breeding seasons and co-habitation of the same spawning stream by white and largescale suckers may explain occasional hybridization between these species. Spawning females matured a year later, were larger and lived longer than the males of all three species. Detailed work at Baker Lake, near Quesnel, indicated males entered the spawning stream before the females and generally remained till the females had returned to the lake. In 1956 the ... |
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