Sexual Maturity and Spawning of the American Plaice, Hippoglossoides platessoides (Fabricius), from Newfoundland and Grand Bank Areas
The peak spawning period of American plaice was the first part of April for Flemish Cap and ranged from the end of April for the Grand Bank and surrounding areas to the first part of June for Labrador–Northeast Newfoundland Shelf. Average bottom temperatures during spawning ranged from about 3.5 C f...
Published in: | Journal of the Fisheries Research Board of Canada |
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Language: | English |
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Canadian Science Publishing
1966
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Online Access: | http://dx.doi.org/10.1139/f66-056 http://www.nrcresearchpress.com/doi/pdf/10.1139/f66-056 |
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crcansciencepubl:10.1139/f66-056 2023-12-17T10:44:44+01:00 Sexual Maturity and Spawning of the American Plaice, Hippoglossoides platessoides (Fabricius), from Newfoundland and Grand Bank Areas Pitt, T. K. 1966 http://dx.doi.org/10.1139/f66-056 http://www.nrcresearchpress.com/doi/pdf/10.1139/f66-056 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Journal of the Fisheries Research Board of Canada volume 23, issue 5, page 651-672 ISSN 0015-296X General Medicine journal-article 1966 crcansciencepubl https://doi.org/10.1139/f66-056 2023-11-19T13:38:19Z The peak spawning period of American plaice was the first part of April for Flemish Cap and ranged from the end of April for the Grand Bank and surrounding areas to the first part of June for Labrador–Northeast Newfoundland Shelf. Average bottom temperatures during spawning ranged from about 3.5 C for Flemish Cap and the deep spawning areas to the north, to about −1.3 C for St. Mary's Bay and the northern half of the Grand Bank. For the Southeast Grand Bank, Southwest Grand Bank, and St. Pierre Bank average spawning temperatures were 1.1, 2.8, and 2.7 C, respectively.There was evidence that some older, larger fish spawned first and also that plaice in deep water spawned later than those from shallower depths. At the latter depths light was a possible factor.According to samples from St. Mary's Bay the development of the sex products for spring spawning was apparently controlled by water temperatures during the previous fall and late summer.Fifty per cent of the females from Flemish Cap were mature at 7.8 years, the bottom temperature being almost constant at 3.5 C. For other areas the number of years ranged from 12.2 for the Southwest Grand Bank, with prevalent temperatures 0–3, to 15.2 C for St. Mary's Bay where temperatures were −1 to 1.0 C. For males the range was from 5.3 years for the Southeast Grand Bank to 7.5 years for St. Pierre Bank, no data being available for Flemish Cap. Article in Journal/Newspaper Newfoundland Canadian Science Publishing (via Crossref) Newfoundland Northeast Newfoundland Shelf ENVELOPE(-52.500,-52.500,51.000,51.000) Journal of the Fisheries Research Board of Canada 23 5 651 672 |
institution |
Open Polar |
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Canadian Science Publishing (via Crossref) |
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crcansciencepubl |
language |
English |
topic |
General Medicine |
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General Medicine Pitt, T. K. Sexual Maturity and Spawning of the American Plaice, Hippoglossoides platessoides (Fabricius), from Newfoundland and Grand Bank Areas |
topic_facet |
General Medicine |
description |
The peak spawning period of American plaice was the first part of April for Flemish Cap and ranged from the end of April for the Grand Bank and surrounding areas to the first part of June for Labrador–Northeast Newfoundland Shelf. Average bottom temperatures during spawning ranged from about 3.5 C for Flemish Cap and the deep spawning areas to the north, to about −1.3 C for St. Mary's Bay and the northern half of the Grand Bank. For the Southeast Grand Bank, Southwest Grand Bank, and St. Pierre Bank average spawning temperatures were 1.1, 2.8, and 2.7 C, respectively.There was evidence that some older, larger fish spawned first and also that plaice in deep water spawned later than those from shallower depths. At the latter depths light was a possible factor.According to samples from St. Mary's Bay the development of the sex products for spring spawning was apparently controlled by water temperatures during the previous fall and late summer.Fifty per cent of the females from Flemish Cap were mature at 7.8 years, the bottom temperature being almost constant at 3.5 C. For other areas the number of years ranged from 12.2 for the Southwest Grand Bank, with prevalent temperatures 0–3, to 15.2 C for St. Mary's Bay where temperatures were −1 to 1.0 C. For males the range was from 5.3 years for the Southeast Grand Bank to 7.5 years for St. Pierre Bank, no data being available for Flemish Cap. |
format |
Article in Journal/Newspaper |
author |
Pitt, T. K. |
author_facet |
Pitt, T. K. |
author_sort |
Pitt, T. K. |
title |
Sexual Maturity and Spawning of the American Plaice, Hippoglossoides platessoides (Fabricius), from Newfoundland and Grand Bank Areas |
title_short |
Sexual Maturity and Spawning of the American Plaice, Hippoglossoides platessoides (Fabricius), from Newfoundland and Grand Bank Areas |
title_full |
Sexual Maturity and Spawning of the American Plaice, Hippoglossoides platessoides (Fabricius), from Newfoundland and Grand Bank Areas |
title_fullStr |
Sexual Maturity and Spawning of the American Plaice, Hippoglossoides platessoides (Fabricius), from Newfoundland and Grand Bank Areas |
title_full_unstemmed |
Sexual Maturity and Spawning of the American Plaice, Hippoglossoides platessoides (Fabricius), from Newfoundland and Grand Bank Areas |
title_sort |
sexual maturity and spawning of the american plaice, hippoglossoides platessoides (fabricius), from newfoundland and grand bank areas |
publisher |
Canadian Science Publishing |
publishDate |
1966 |
url |
http://dx.doi.org/10.1139/f66-056 http://www.nrcresearchpress.com/doi/pdf/10.1139/f66-056 |
long_lat |
ENVELOPE(-52.500,-52.500,51.000,51.000) |
geographic |
Newfoundland Northeast Newfoundland Shelf |
geographic_facet |
Newfoundland Northeast Newfoundland Shelf |
genre |
Newfoundland |
genre_facet |
Newfoundland |
op_source |
Journal of the Fisheries Research Board of Canada volume 23, issue 5, page 651-672 ISSN 0015-296X |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/f66-056 |
container_title |
Journal of the Fisheries Research Board of Canada |
container_volume |
23 |
container_issue |
5 |
container_start_page |
651 |
op_container_end_page |
672 |
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1785563502767767552 |