Social learning of prey location in hatchery-reared Atlantic salmon

C Brown, A Markula, Kevin Neville Laland

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)

Abstract

Naive, hatchery-reared Atlantic salmon Salmo salar parr were paired with demonstrators that had been pre-trained to accept live prey from the surface or from the benthos. After 6 days of observing demonstrators through a clear perspex partition the naive fish's benthic foraging skills were tested. The results revealed that hatchery-reared Atlantic salmon can be taught to target benthic prey items by observation alone and social learning protocols can be utilized to dramatically increase benthic foraging success. The results are discussed with reference to refining hatchery-rearing practices with a view to improving the post-release survival of hatchery fishes. The role of learning, and in particular social learning, in the development foraging behaviour is highlighted. (C) 2003 The Fisheries Society of the British Isles.

Original languageEnglish
Pages (from-to)738-745
Number of pages8
JournalJournal of Fish Biology
Volume63
Issue number3
DOIs
Publication statusPublished - Sept 2003

Keywords

  • Atlantic salmon
  • benthos
  • hatchery
  • prey location
  • social learning
  • FORAGING BEHAVIOR
  • ENVIRONMENT
  • SELECTION
  • SURVIVAL
  • SKILLS
  • SALAR
  • EXPERIENCE
  • INHIBITION
  • SMOLTS
  • TROUT

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