Comparative developmental biology of pink salmon, Oncorhynchus gorbuscha, in southern British Columbia
Eggs and alevins from 21 families of pink salmon, Oncorhynchus gorbuscha , from five odd‐year broodline stocks spawning in southern British Columbia were incubated under controlled water temperatures of 4° C, 8° C and 12° C. There were significant differences in egg survival among stocks and among f...
Published in: | Journal of Fish Biology |
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1986
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crwiley:10.1111/j.1095-8649.1986.tb05161.x 2024-06-02T08:12:42+00:00 Comparative developmental biology of pink salmon, Oncorhynchus gorbuscha, in southern British Columbia Beacham, T. D. Murray, C. B. 1986 http://dx.doi.org/10.1111/j.1095-8649.1986.tb05161.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1095-8649.1986.tb05161.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1095-8649.1986.tb05161.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Journal of Fish Biology volume 28, issue 2, page 233-246 ISSN 0022-1112 1095-8649 journal-article 1986 crwiley https://doi.org/10.1111/j.1095-8649.1986.tb05161.x 2024-05-03T11:39:38Z Eggs and alevins from 21 families of pink salmon, Oncorhynchus gorbuscha , from five odd‐year broodline stocks spawning in southern British Columbia were incubated under controlled water temperatures of 4° C, 8° C and 12° C. There were significant differences in egg survival among stocks and among families within stocks at all incubation temperatures, but the differences were greatest at 4° C. Alevin survival was at least 97% for each stock at each temperature. The most northern spawning stocks had higher egg survival at 4° C than did the others. Hatching time of the alevins and emergence time of the fry were similar for all five stocks. Alevins hatching at 8° C were longer than those hatching at 4°C or 12°C, but there were no stock differences in alevin length or tissue weight. Stocks with larger eggs produced alevins of greater total weight and more yolk. Emergent fry from Vancouver Island stocks had the greatest tissue weight at 12° C, but Fraser River fry were heaviest at 8° C. There were significant differences among families within stocks for alevin and fry size parameters, suggesting that family variation should be accounted for in studies of salmonid developmental biology. Article in Journal/Newspaper Oncorhynchus gorbuscha Pink salmon Wiley Online Library Fraser River ENVELOPE(-62.243,-62.243,56.619,56.619) Journal of Fish Biology 28 2 233 246 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
Eggs and alevins from 21 families of pink salmon, Oncorhynchus gorbuscha , from five odd‐year broodline stocks spawning in southern British Columbia were incubated under controlled water temperatures of 4° C, 8° C and 12° C. There were significant differences in egg survival among stocks and among families within stocks at all incubation temperatures, but the differences were greatest at 4° C. Alevin survival was at least 97% for each stock at each temperature. The most northern spawning stocks had higher egg survival at 4° C than did the others. Hatching time of the alevins and emergence time of the fry were similar for all five stocks. Alevins hatching at 8° C were longer than those hatching at 4°C or 12°C, but there were no stock differences in alevin length or tissue weight. Stocks with larger eggs produced alevins of greater total weight and more yolk. Emergent fry from Vancouver Island stocks had the greatest tissue weight at 12° C, but Fraser River fry were heaviest at 8° C. There were significant differences among families within stocks for alevin and fry size parameters, suggesting that family variation should be accounted for in studies of salmonid developmental biology. |
format |
Article in Journal/Newspaper |
author |
Beacham, T. D. Murray, C. B. |
spellingShingle |
Beacham, T. D. Murray, C. B. Comparative developmental biology of pink salmon, Oncorhynchus gorbuscha, in southern British Columbia |
author_facet |
Beacham, T. D. Murray, C. B. |
author_sort |
Beacham, T. D. |
title |
Comparative developmental biology of pink salmon, Oncorhynchus gorbuscha, in southern British Columbia |
title_short |
Comparative developmental biology of pink salmon, Oncorhynchus gorbuscha, in southern British Columbia |
title_full |
Comparative developmental biology of pink salmon, Oncorhynchus gorbuscha, in southern British Columbia |
title_fullStr |
Comparative developmental biology of pink salmon, Oncorhynchus gorbuscha, in southern British Columbia |
title_full_unstemmed |
Comparative developmental biology of pink salmon, Oncorhynchus gorbuscha, in southern British Columbia |
title_sort |
comparative developmental biology of pink salmon, oncorhynchus gorbuscha, in southern british columbia |
publisher |
Wiley |
publishDate |
1986 |
url |
http://dx.doi.org/10.1111/j.1095-8649.1986.tb05161.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1095-8649.1986.tb05161.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1095-8649.1986.tb05161.x |
long_lat |
ENVELOPE(-62.243,-62.243,56.619,56.619) |
geographic |
Fraser River |
geographic_facet |
Fraser River |
genre |
Oncorhynchus gorbuscha Pink salmon |
genre_facet |
Oncorhynchus gorbuscha Pink salmon |
op_source |
Journal of Fish Biology volume 28, issue 2, page 233-246 ISSN 0022-1112 1095-8649 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1095-8649.1986.tb05161.x |
container_title |
Journal of Fish Biology |
container_volume |
28 |
container_issue |
2 |
container_start_page |
233 |
op_container_end_page |
246 |
_version_ |
1800759231335366656 |