Culum Brown, Kevin Laland, Jens Krause's Fish Cognition and Behavior (Fish and Aquatic Resources) PDF

By Culum Brown, Kevin Laland, Jens Krause

ISBN-10: 144433221X

ISBN-13: 9781444332216

ISBN-10: 1444342533

ISBN-13: 9781444342536

Within the moment variation of this interesting e-book a world crew of specialists were introduced jointly to discover all significant components of fish studying, together with: Foraging talents Predator popularity Social company and studying Welfare and discomfort 3 new chapters protecting fish character, lateralisation, and fish cognition and fish welfare, were extra to this totally revised and extended moment edition.Fish Cognition and behaviour, moment variation comprises crucial details for all fish biologists and animal behaviorists and comprises a lot new info of business value for fisheries managers and aquaculture group of workers. Libraries in all universities and study institutions the place organic sciences, fisheries and aquaculture are studied and taught will locate it a massive addition to their cabinets.

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Extra resources for Fish Cognition and Behavior (Fish and Aquatic Resources)

Sample text

5 Tracking environmental variation Food patch discrimination can be improved by remembering the spatial position of previously exploited patches, and predators must continually compare present information on patches and prey types with search images held in memory (Hart 1986, 1993; BLBK374-02 BLBK374-Brown 24 May 13, 2011 17:2 Copyeditor’s Name: Trim: 244mm X 172mm Char Count= Fish Cognition and Behavior Odling-Smee & Braithwaite 2003). There appear to be individual differences in food patch learning: some fishes seem to identify food patches by reference to local visual cues while others rely more on global cues (Huntingford & Wright 1989).

E. concentrating only on the most-reinforced stimulus) than probability matching (Mackintosh et al. 1971). While these findings show that fishes are capable of probability matching, the reinforcement context appears to be critical, since probability matching was replaced by maximising unless a ‘guidance’ procedure was used: in such a procedure, if on any trial the unreinforced stimulus was chosen initially, it was removed and the fish was allowed to earn a reward for response to the other stimulus (Behrend & Bitterman 1961).

6 Competition Learning and memory can influence the distributional patterns of competing individuals. The relative pay-off sum (RPS) learning rule predicts that good competitors will decide where to feed earlier and switch less between patches than poor competitors (Regelmann 1984). Within-shoal competition can cause subordinate fish to abandon patch sampling (Croy & Hughes 1991b). Hakayama & Iguchi (2001) recorded patterns in distribution, aggression, food intake and growth of the salmonid Onchorhynchus masou ishika that had free access to two patches and were able to use long-term memory to assess patch quality.

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Fish Cognition and Behavior (Fish and Aquatic Resources) by Culum Brown, Kevin Laland, Jens Krause


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