Surface activity in the mudskipper, periophthalmus waltoni koumans 1941 in relation to prey activity and environmental factors

D. A. Clayton, R. Snowden

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Surface activity and foraging behaviour of the carnivorous mudskipper Periophthalmus waltoni Koumans 1941, was investigated in relation to environmental conditions on the mudflats of Sulaibikhat Bay, Kuwait. Fish occupied several burrows systems within a 2–3 m2 home range. Foraging activity was largely independent of environmental conditions only being inhibited by high wind speeds and surface temperatures below 15 °C. Hunting forays were longer than other surface activity, but once prey was caught, the mudskippers quickly returned to a pool of water or a burrow. To increase their hunting efficiency, successive hunts were spatially well separated because of the long surface return times of the ocypodid crabs following a hunt in their vicinity. For a variety of physiological requirements mudskippers exhibit considerable behavioural homeostasis in a harsh environment creating a unique system in which to investigate mechanisms of optimal foraging.

Original languageEnglish
Pages (from-to)239-249
Number of pages11
JournalTropical Zoology
Volume13
Issue number2
DOIs
Publication statusPublished - 2000

Fingerprint

environmental factor
foraging
burrow
burrows
hunting
environmental factors
environmental conditions
Kuwait
homeostasis
mudflat
foraging behavior
home range
wind speed
surface temperature
crab
crabs
wind velocity
fish
Periophthalmus
water

Keywords

  • Activity
  • Behavioural homeostasis
  • Crabs
  • Foraging behaviour
  • Mudskipper
  • Ocypodidae
  • Periophthalmus

ASJC Scopus subject areas

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

Cite this

Surface activity in the mudskipper, periophthalmus waltoni koumans 1941 in relation to prey activity and environmental factors. / Clayton, D. A.; Snowden, R.

In: Tropical Zoology, Vol. 13, No. 2, 2000, p. 239-249.

Research output: Contribution to journalArticle

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