Sympatric species of threespine stickleback differ in their performance in a spatial learning task

Lucy C. Odling-Smee, Janette W. Boughman, Victoria A. Braithwaite

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

Increasing evidence suggests that cognitive function is under selection in diverse taxa and that this results in different cognitive abilities in taxa experiencing different selective environments. For example, species inhabiting spatially complex environments might be expected to have good spatial learning ability. We investigated whether local habitat conditions influence learning by comparing the performance of two recently diverged species of threespine stickleback (Gasterosteus aculeatus complex) in a spatial learning task. The two species reside sympatrically in several lakes. Benthics occupy the spatially structured vegetated littoral zone, whereas limnetics occupy the spatially homogenous open-water pelagic zone. We trained fish to locate a hidden reward in a T-maze and asked whether they did so by learning a body-centred pattern of movement (turn left or right) or by using plant landmarks. Both benthics and limnetics used turn and landmark cues, but benthics learnt the task almost twice as quickly as limnetics. This difference is consistent with the hypothesis that benthic and limnetic sticklebacks are equipped with spatial learning abilities well suited to the spatial complexity of their littoral and pelagic habitats. Our findings add to the understanding of the evolution of learning.

Original languageEnglish (US)
Pages (from-to)1935-1945
Number of pages11
JournalBehavioral Ecology and Sociobiology
Volume62
Issue number12
DOIs
StatePublished - Oct 1 2008

Fingerprint

Gasterosteus aculeatus
sympatry
learning
littoral zone
Gasterosteidae
habitat
habitats
open water
intertidal environment
cognition
lakes
lake
fish
water

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology

Cite this

Odling-Smee, Lucy C. ; Boughman, Janette W. ; Braithwaite, Victoria A. / Sympatric species of threespine stickleback differ in their performance in a spatial learning task. In: Behavioral Ecology and Sociobiology. 2008 ; Vol. 62, No. 12. pp. 1935-1945.
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Sympatric species of threespine stickleback differ in their performance in a spatial learning task. / Odling-Smee, Lucy C.; Boughman, Janette W.; Braithwaite, Victoria A.

In: Behavioral Ecology and Sociobiology, Vol. 62, No. 12, 01.10.2008, p. 1935-1945.

Research output: Contribution to journalArticle

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