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Acquired Recognition of Predator Odour in the European Minnow ( Phoxinus phoxinus )

Acquired Recognition of Predator Odour in the European Minnow ( Phoxinus phoxinus ) Naive European minnows (Phoxinus phoxinus) do not show a fright reaction when they first encounter the odour of a natural predator (the pike: Esox lucius) or the odour of a non‐piscivorous exotic (tilapia: Tilapia mariae). A conditioned fright response to both these odours will however develop if minnows experience them in a potentially dangerous situation, for example, in conjunction with Schreckstoff, the ostariophysian alarm pheromone. Although minnows respond to both odours the reaction to the tilapia odour is reduced. This suggests that a constraint on learning is involved. Olfactory recognition is particularly valuable for detecting predators that hunt in conditions where visibility is poor. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ethology Wiley

Acquired Recognition of Predator Odour in the European Minnow ( Phoxinus phoxinus )

Ethology , Volume 82 (3) – Jan 12, 1989

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References (22)

Publisher
Wiley
Copyright
1989 Blackwell Verlag GmbH
ISSN
0179-1613
eISSN
1439-0310
DOI
10.1111/j.1439-0310.1989.tb00501.x
Publisher site
See Article on Publisher Site

Abstract

Naive European minnows (Phoxinus phoxinus) do not show a fright reaction when they first encounter the odour of a natural predator (the pike: Esox lucius) or the odour of a non‐piscivorous exotic (tilapia: Tilapia mariae). A conditioned fright response to both these odours will however develop if minnows experience them in a potentially dangerous situation, for example, in conjunction with Schreckstoff, the ostariophysian alarm pheromone. Although minnows respond to both odours the reaction to the tilapia odour is reduced. This suggests that a constraint on learning is involved. Olfactory recognition is particularly valuable for detecting predators that hunt in conditions where visibility is poor.

Journal

EthologyWiley

Published: Jan 12, 1989

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