Growth and Reproduction of the Longnose Sucker, Catostomus catostomus (Forster), in Great Slave Lake
A biological investigation of the longnose sucker, in Great Slave Lake, was carried out in 1950 and 1951. Specimens were obtained by use of gill nets and seines. Suckers taken along the south shore had a faster rate of growth than those in the more northern area. In both areas, males and females gre...
Published in: | Journal of the Fisheries Research Board of Canada |
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Language: | English |
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Canadian Science Publishing
1962
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Online Access: | http://dx.doi.org/10.1139/f62-006 http://www.nrcresearchpress.com/doi/pdf/10.1139/f62-006 |
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crcansciencepubl:10.1139/f62-006 2023-12-17T10:28:47+01:00 Growth and Reproduction of the Longnose Sucker, Catostomus catostomus (Forster), in Great Slave Lake Harris, Roy H. D. 1962 http://dx.doi.org/10.1139/f62-006 http://www.nrcresearchpress.com/doi/pdf/10.1139/f62-006 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Journal of the Fisheries Research Board of Canada volume 19, issue 1, page 113-126 ISSN 0015-296X General Medicine journal-article 1962 crcansciencepubl https://doi.org/10.1139/f62-006 2023-11-19T13:39:17Z A biological investigation of the longnose sucker, in Great Slave Lake, was carried out in 1950 and 1951. Specimens were obtained by use of gill nets and seines. Suckers taken along the south shore had a faster rate of growth than those in the more northern area. In both areas, males and females grew at the same rate in length and weight. Females lived longer and thereby became heavier. The average annual survival rate was 45%. The growth exponent was 2.88; the length-weight relationship, W = 0.000252 L 2.88 . Longnose suckers spawned in Hay River from the ice cover break-up in May to June 15. The water temperature did not exceed 59°F (15 °C). The majority of spawning-run fish were 10 to 12 years old. Although sexually mature at 7 years, no suckers younger than 9 years of age were found in the spawning run. Females contained from 17,000 to 60,000 eggs but may not spawn each year. Fingerlings from Hay River were 33 to 80 mm in length, and were in their first summer. They all had scales. Article in Journal/Newspaper Catostomus catostomus Great Slave Lake Longnose sucker Canadian Science Publishing (via Crossref) Great Slave Lake ENVELOPE(-114.001,-114.001,61.500,61.500) Hay River ENVELOPE(-115.847,-115.847,60.787,60.787) Journal of the Fisheries Research Board of Canada 19 1 113 126 |
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Open Polar |
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Canadian Science Publishing (via Crossref) |
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crcansciencepubl |
language |
English |
topic |
General Medicine |
spellingShingle |
General Medicine Harris, Roy H. D. Growth and Reproduction of the Longnose Sucker, Catostomus catostomus (Forster), in Great Slave Lake |
topic_facet |
General Medicine |
description |
A biological investigation of the longnose sucker, in Great Slave Lake, was carried out in 1950 and 1951. Specimens were obtained by use of gill nets and seines. Suckers taken along the south shore had a faster rate of growth than those in the more northern area. In both areas, males and females grew at the same rate in length and weight. Females lived longer and thereby became heavier. The average annual survival rate was 45%. The growth exponent was 2.88; the length-weight relationship, W = 0.000252 L 2.88 . Longnose suckers spawned in Hay River from the ice cover break-up in May to June 15. The water temperature did not exceed 59°F (15 °C). The majority of spawning-run fish were 10 to 12 years old. Although sexually mature at 7 years, no suckers younger than 9 years of age were found in the spawning run. Females contained from 17,000 to 60,000 eggs but may not spawn each year. Fingerlings from Hay River were 33 to 80 mm in length, and were in their first summer. They all had scales. |
format |
Article in Journal/Newspaper |
author |
Harris, Roy H. D. |
author_facet |
Harris, Roy H. D. |
author_sort |
Harris, Roy H. D. |
title |
Growth and Reproduction of the Longnose Sucker, Catostomus catostomus (Forster), in Great Slave Lake |
title_short |
Growth and Reproduction of the Longnose Sucker, Catostomus catostomus (Forster), in Great Slave Lake |
title_full |
Growth and Reproduction of the Longnose Sucker, Catostomus catostomus (Forster), in Great Slave Lake |
title_fullStr |
Growth and Reproduction of the Longnose Sucker, Catostomus catostomus (Forster), in Great Slave Lake |
title_full_unstemmed |
Growth and Reproduction of the Longnose Sucker, Catostomus catostomus (Forster), in Great Slave Lake |
title_sort |
growth and reproduction of the longnose sucker, catostomus catostomus (forster), in great slave lake |
publisher |
Canadian Science Publishing |
publishDate |
1962 |
url |
http://dx.doi.org/10.1139/f62-006 http://www.nrcresearchpress.com/doi/pdf/10.1139/f62-006 |
long_lat |
ENVELOPE(-114.001,-114.001,61.500,61.500) ENVELOPE(-115.847,-115.847,60.787,60.787) |
geographic |
Great Slave Lake Hay River |
geographic_facet |
Great Slave Lake Hay River |
genre |
Catostomus catostomus Great Slave Lake Longnose sucker |
genre_facet |
Catostomus catostomus Great Slave Lake Longnose sucker |
op_source |
Journal of the Fisheries Research Board of Canada volume 19, issue 1, page 113-126 ISSN 0015-296X |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/f62-006 |
container_title |
Journal of the Fisheries Research Board of Canada |
container_volume |
19 |
container_issue |
1 |
container_start_page |
113 |
op_container_end_page |
126 |
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1785580964862230528 |