Fishery Interactions Between Long-finned Squid ( Loligo pealei ) and Butterfish ( Peprilus triacanthus ) off the Northeast USA

The domestic butterfish (Peprilus triacanthus) fishery off the Northeast USA has increased in importance in recent years, to the extent that the quantity allocated to foreign countries fishing within USA waters has been decreased to by-catch levels. This restriction resulted in closure of a portion...

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Bibliographic Details
Published in:Journal of Northwest Atlantic fishery science 1992-01, Vol.12, p.49-62
Main Authors: Lange, A M, Waring, G T
Format: Article
Language:English
Subjects:
Bycatch
Cephalopod fisheries
Fisheries
Fishery data
Fishing
Lepidocybium flavobrunneum
Loligo
Loligo pealei
Marine
Marine molluscs
Offshore
Peprilus triacanthus
Spatial distribution
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Summary:The domestic butterfish (Peprilus triacanthus) fishery off the Northeast USA has increased in importance in recent years, to the extent that the quantity allocated to foreign countries fishing within USA waters has been decreased to by-catch levels. This restriction resulted in closure of a portion of the foreign squid fishery in 1985, when the by-catch quota for butterfish was exceeded. This analysis is designed to determine co-occurrence between long-finned squid (Loligo pealei) and butterfish particularly in directed fisheries for each species with a view that areal, diel, and/or seasonal regulations of these fisheries may be feasible to reduce the potential adverse effects of high by-catch rates. Squid and butterfish exhibited high degrees of overlap in temperature and depth preferences as indicated by seasonal and spatial distribution data from research and fishery sources. Commercial fishery data, however, suggested that by-catch of butterfish in the directed squid fishery can be maintained at relatively low levels (
ISSN:0250-6408
1682-9786
1813-1859
DOI:10.2960/J.v12.a6