Maturation of Nineteen Species of Finfish off the Northeast Coast of the United States, 1985-1990
Observations on maturation stages of nineteen species of economically important finfish off the Northeast coast of the USA were analyzed to examine relationships between fish size or age, and maturity. Maturation schedules and median lengths (L50) and ages (A50) at maturation were derived by fitting...
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ftoceandocs:oai:aquadocs.org:1834/20494 2023-05-15T17:45:42+02:00 Maturation of Nineteen Species of Finfish off the Northeast Coast of the United States, 1985-1990 O'Brien, Loretta Burnett, Jay Mayo, Ralph K. 1993 application/pdf http://hdl.handle.net/1834/20494 en eng NOAA/National Marine Fisheries Service NOAA Technical Report NMFS http://spo.nwr.noaa.gov/tr113.pdf http://hdl.handle.net/1834/20494 http://aquaticcommons.org/id/eprint/2702 403 2011-09-29 18:30:00 2702 United States National Marine Fisheries Service Management Ecology Fisheries monograph 1993 ftoceandocs 2023-04-06T17:01:39Z Observations on maturation stages of nineteen species of economically important finfish off the Northeast coast of the USA were analyzed to examine relationships between fish size or age, and maturity. Maturation schedules and median lengths (L50) and ages (A50) at maturation were derived by fitting the logistic model to the observed proportions. Analyses were generally restricted to observations from 1985 to 1990 obtained during stratified random bottom trawl surveys conducted in spring and autumn by the Northeast Fisheries Science Center and the Commonwealth of Massachusetts Division of Marine Fisheries in waters of the continental shelf from Nova Scotia to Cape Hatteras, North Carolina. Butterfish, Peprilus triacanthus, attained sexual maturity at the smallest median length (11.4 cm, males) and pollock, Pollachius virens, at the highest (41.8 em, males). Median length at maturity for gadiforms ranged from 22.2 to 41.8 em. Within the pleuronectiforms, median length at maturity ranged from 19.1 to 30.4 cm. Median lengths for the pelagic and miscellaneous demersal species were in the same ranges as the pleuronectiforms. Butterfish also attained sexual maturity at the youngest median age (0.9 yr, both sexes) whereas redfish, Sebastes fasciatus, were the latest to mature (5.5 yr, both sexes). For gadids, themedian age at maturity ranged from 1.3 to 2.3 yr. Within the pleuronectiforms, median age at maturity ranged from 1.3 to 4.4 yr and, for pelagic species, from 0.9 to 3.0 yr. Median lengths and ages for many species are lower than those reported in earlier studies of the same generalregion of the Northwest Atlantic. (PDF file contains 72 pages.) Book Northwest Atlantic IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications |
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Open Polar |
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IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications |
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ftoceandocs |
language |
English |
topic |
Management Ecology Fisheries |
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Management Ecology Fisheries O'Brien, Loretta Burnett, Jay Mayo, Ralph K. Maturation of Nineteen Species of Finfish off the Northeast Coast of the United States, 1985-1990 |
topic_facet |
Management Ecology Fisheries |
description |
Observations on maturation stages of nineteen species of economically important finfish off the Northeast coast of the USA were analyzed to examine relationships between fish size or age, and maturity. Maturation schedules and median lengths (L50) and ages (A50) at maturation were derived by fitting the logistic model to the observed proportions. Analyses were generally restricted to observations from 1985 to 1990 obtained during stratified random bottom trawl surveys conducted in spring and autumn by the Northeast Fisheries Science Center and the Commonwealth of Massachusetts Division of Marine Fisheries in waters of the continental shelf from Nova Scotia to Cape Hatteras, North Carolina. Butterfish, Peprilus triacanthus, attained sexual maturity at the smallest median length (11.4 cm, males) and pollock, Pollachius virens, at the highest (41.8 em, males). Median length at maturity for gadiforms ranged from 22.2 to 41.8 em. Within the pleuronectiforms, median length at maturity ranged from 19.1 to 30.4 cm. Median lengths for the pelagic and miscellaneous demersal species were in the same ranges as the pleuronectiforms. Butterfish also attained sexual maturity at the youngest median age (0.9 yr, both sexes) whereas redfish, Sebastes fasciatus, were the latest to mature (5.5 yr, both sexes). For gadids, themedian age at maturity ranged from 1.3 to 2.3 yr. Within the pleuronectiforms, median age at maturity ranged from 1.3 to 4.4 yr and, for pelagic species, from 0.9 to 3.0 yr. Median lengths and ages for many species are lower than those reported in earlier studies of the same generalregion of the Northwest Atlantic. (PDF file contains 72 pages.) |
format |
Book |
author |
O'Brien, Loretta Burnett, Jay Mayo, Ralph K. |
author_facet |
O'Brien, Loretta Burnett, Jay Mayo, Ralph K. |
author_sort |
O'Brien, Loretta |
title |
Maturation of Nineteen Species of Finfish off the Northeast Coast of the United States, 1985-1990 |
title_short |
Maturation of Nineteen Species of Finfish off the Northeast Coast of the United States, 1985-1990 |
title_full |
Maturation of Nineteen Species of Finfish off the Northeast Coast of the United States, 1985-1990 |
title_fullStr |
Maturation of Nineteen Species of Finfish off the Northeast Coast of the United States, 1985-1990 |
title_full_unstemmed |
Maturation of Nineteen Species of Finfish off the Northeast Coast of the United States, 1985-1990 |
title_sort |
maturation of nineteen species of finfish off the northeast coast of the united states, 1985-1990 |
publisher |
NOAA/National Marine Fisheries Service |
publishDate |
1993 |
url |
http://hdl.handle.net/1834/20494 |
genre |
Northwest Atlantic |
genre_facet |
Northwest Atlantic |
op_source |
http://aquaticcommons.org/id/eprint/2702 403 2011-09-29 18:30:00 2702 United States National Marine Fisheries Service |
op_relation |
NOAA Technical Report NMFS http://spo.nwr.noaa.gov/tr113.pdf http://hdl.handle.net/1834/20494 |
_version_ |
1766148922350239744 |