Effects of angling on feeding by largemouth bass

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Abstract:

Angling practice significantly effected the time required for largemouth bass Micropterus salmoides to begin feeding. Mean ±s.e.time until feeding resumed was longest for fish that experienced a simulated tournament (15·6 ± 2·2 h) followed by fish that were caught and released (8·4 ± 2·2 h) and controls (0·3 ± 1·6 h). Effects on feeding related to angling practices were maintained throughout the 48 h observation period. Using multiple logistic regression and bioenergetics simulations, decreased growth in fish subjected to competitive or catch-and-release angling events was predicted. Fish subjected to multiple captures in a pond experiment had greater mass loss than those not captured, supporting model predictions.

Keywords: angling; bioenergetics; feeding; largemouth bass

Document Type: Regular Paper

DOI: http://dx.doi.org/10.1111/j.1095-8649.2006.01149.x

Publication date: September 1, 2006

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