Sexual and geographical variation in life history parameters of the shorthorn sculpin
A total of 293 shorthorn sculpins Myoxocephalus scorpius from Tromso, northern Norway, were sampled between November 1998 and April 1999 to determine sex, total length, age, growth, maturity and mortality. Females grew to larger sizes (L-infinity=26.9 v. 18.5 cm), matured later (2 v. 1 year of age)...
Published in: | Journal of Fish Biology |
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2002
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Online Access: | https://hdl.handle.net/11370/1381fd71-6c28-408e-a36a-c885a83e4d06 https://research.rug.nl/en/publications/1381fd71-6c28-408e-a36a-c885a83e4d06 https://doi.org/10.1006/jfbi.2002.2159 |
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ftunigroningenpu:oai:pure.rug.nl:publications/1381fd71-6c28-408e-a36a-c885a83e4d06 2024-09-09T19:53:43+00:00 Sexual and geographical variation in life history parameters of the shorthorn sculpin Luksenburg, JA Pedersen, T 2002-12 https://hdl.handle.net/11370/1381fd71-6c28-408e-a36a-c885a83e4d06 https://research.rug.nl/en/publications/1381fd71-6c28-408e-a36a-c885a83e4d06 https://doi.org/10.1006/jfbi.2002.2159 eng eng https://research.rug.nl/en/publications/1381fd71-6c28-408e-a36a-c885a83e4d06 info:eu-repo/semantics/closedAccess Luksenburg , JA & Pedersen , T 2002 , ' Sexual and geographical variation in life history parameters of the shorthorn sculpin ' , Journal of Fish Biology , vol. 61 , no. 6 , pp. 1453-1464 . https://doi.org/10.1006/jfbi.2002.2159 Myoxocephalus scorpius population dynamics life history growth mortality geographic variation EVOLUTION FISHES WATERS article 2002 ftunigroningenpu https://doi.org/10.1006/jfbi.2002.2159 2024-06-17T15:48:20Z A total of 293 shorthorn sculpins Myoxocephalus scorpius from Tromso, northern Norway, were sampled between November 1998 and April 1999 to determine sex, total length, age, growth, maturity and mortality. Females grew to larger sizes (L-infinity=26.9 v. 18.5 cm), matured later (2 v. 1 year of age) at larger size (maturation length= 16 v. 14 cm L-T), and had lower instantaneous mortality rates (0.93 v. 1.20 year(-1)) than males. The life history parameters of shorthorn sculpins in northern Norway were more similar to the parameters of short-lived central European populations than to the parameters of the long-lived population of Newfoundland. This study confirms that northern Norwegian shorthorn sculpins exhibit sexual dimorphism as in other shorthorn sculpin populations. The relationships between growth pattern, age at maturity and mortality rates observed in the Tromso population and in other shorthorn sculpin populations, correspond well with the predictions from a published life history model. (C) 2002 The Fisheries Society of the British Isles, Published by Elsevier Science Ltd. All rights reserved. Article in Journal/Newspaper Newfoundland Northern Norway Tromso Tromso University of Groningen research database Norway Tromso ENVELOPE(16.546,16.546,68.801,68.801) Journal of Fish Biology 61 6 1453 1464 |
institution |
Open Polar |
collection |
University of Groningen research database |
op_collection_id |
ftunigroningenpu |
language |
English |
topic |
Myoxocephalus scorpius population dynamics life history growth mortality geographic variation EVOLUTION FISHES WATERS |
spellingShingle |
Myoxocephalus scorpius population dynamics life history growth mortality geographic variation EVOLUTION FISHES WATERS Luksenburg, JA Pedersen, T Sexual and geographical variation in life history parameters of the shorthorn sculpin |
topic_facet |
Myoxocephalus scorpius population dynamics life history growth mortality geographic variation EVOLUTION FISHES WATERS |
description |
A total of 293 shorthorn sculpins Myoxocephalus scorpius from Tromso, northern Norway, were sampled between November 1998 and April 1999 to determine sex, total length, age, growth, maturity and mortality. Females grew to larger sizes (L-infinity=26.9 v. 18.5 cm), matured later (2 v. 1 year of age) at larger size (maturation length= 16 v. 14 cm L-T), and had lower instantaneous mortality rates (0.93 v. 1.20 year(-1)) than males. The life history parameters of shorthorn sculpins in northern Norway were more similar to the parameters of short-lived central European populations than to the parameters of the long-lived population of Newfoundland. This study confirms that northern Norwegian shorthorn sculpins exhibit sexual dimorphism as in other shorthorn sculpin populations. The relationships between growth pattern, age at maturity and mortality rates observed in the Tromso population and in other shorthorn sculpin populations, correspond well with the predictions from a published life history model. (C) 2002 The Fisheries Society of the British Isles, Published by Elsevier Science Ltd. All rights reserved. |
format |
Article in Journal/Newspaper |
author |
Luksenburg, JA Pedersen, T |
author_facet |
Luksenburg, JA Pedersen, T |
author_sort |
Luksenburg, JA |
title |
Sexual and geographical variation in life history parameters of the shorthorn sculpin |
title_short |
Sexual and geographical variation in life history parameters of the shorthorn sculpin |
title_full |
Sexual and geographical variation in life history parameters of the shorthorn sculpin |
title_fullStr |
Sexual and geographical variation in life history parameters of the shorthorn sculpin |
title_full_unstemmed |
Sexual and geographical variation in life history parameters of the shorthorn sculpin |
title_sort |
sexual and geographical variation in life history parameters of the shorthorn sculpin |
publishDate |
2002 |
url |
https://hdl.handle.net/11370/1381fd71-6c28-408e-a36a-c885a83e4d06 https://research.rug.nl/en/publications/1381fd71-6c28-408e-a36a-c885a83e4d06 https://doi.org/10.1006/jfbi.2002.2159 |
long_lat |
ENVELOPE(16.546,16.546,68.801,68.801) |
geographic |
Norway Tromso |
geographic_facet |
Norway Tromso |
genre |
Newfoundland Northern Norway Tromso Tromso |
genre_facet |
Newfoundland Northern Norway Tromso Tromso |
op_source |
Luksenburg , JA & Pedersen , T 2002 , ' Sexual and geographical variation in life history parameters of the shorthorn sculpin ' , Journal of Fish Biology , vol. 61 , no. 6 , pp. 1453-1464 . https://doi.org/10.1006/jfbi.2002.2159 |
op_relation |
https://research.rug.nl/en/publications/1381fd71-6c28-408e-a36a-c885a83e4d06 |
op_rights |
info:eu-repo/semantics/closedAccess |
op_doi |
https://doi.org/10.1006/jfbi.2002.2159 |
container_title |
Journal of Fish Biology |
container_volume |
61 |
container_issue |
6 |
container_start_page |
1453 |
op_container_end_page |
1464 |
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1809923185352638464 |