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Seasonal Hooking Mortality of Bluegills Caught on Natural Baits
Author(s) -
Muoneke Maurice I.
Publication year - 1992
Publication title -
north american journal of fisheries management
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.587
H-Index - 72
eISSN - 1548-8675
pISSN - 0275-5947
DOI - 10.1577/1548-8675(1992)012<0645:shmobc>2.3.co;2
Subject(s) - lepomis macrochirus , fishery , fish <actinopterygii> , lepomis , fishing , biology , overwintering , ecology
Summer and winter hooking mortality rates were estimated for btuegills Lepomis macrochirus caught in June 1989 in Choke Canyon Reservoir, Texas, and in March 1990 in Cedar Lake Reservoir, Texas. Water temperatures averaged 16.7 and 30°C during the winter and summer angling experiments, respectively. Fish were caught by angling with size‐4 single‐shank hooks baited with live crickets in the summer and earthworms in the winter. Ninety‐five fish (109–193 mm total length) were caught in the winter and 75 fish (146–200 mm) in the summer. Fish were held for 72 h in 0.79‐m 2 × 1.00‐m cylindrical plastic cages to observe delayed mortality. One of 95 fish died in the winter and 19 of 75 fish died in the summer. Hooking mortality was significantly higher in summer than in winter ( P < 0.05).

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