Effects of feeding on the sustained swimming abilities of late-stage larval Amphiprion melanopus

Fisher, R., and Bellwood, D.R. (2001) Effects of feeding on the sustained swimming abilities of late-stage larval Amphiprion melanopus. Coral Reefs, 20 (2). pp. 151-154.

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Abstract

To date, all sustained swimming experiments on tropical reef fish larvae have been conducted using unfed larvae. Such studies may produce unrealistic estimates of sustained swimming abilities. We examined the effect of food on the sustained swimming ability of late-stage Amphiprion melanopus. Larvae were swum in a six-channel swimming flume at 7 cm s-1, with "unfed" and "fed" channels. Fed channels had Artemia nauplii added four times per day for 10 min. Feeding larvae during swimming experiments significantly increased their average swimming distance from around 6.9 to 12.2 km, and the maximum swimming distance from around 11.8 to 28.7 km. Existing flume-based estimates of sustained swimming may be underestimating field abilities. With access to food, many larvae may have the potential to swim considerably greater distances than previously suggested.

Item ID: 13161
Item Type: Article (Refereed Research - C1)
Keywords: coral reef fish; dispersal; energetics; feeding; larvae; swimming
ISSN: 1432-0975
Date Deposited: 23 Dec 2010 05:53
FoR Codes: 06 BIOLOGICAL SCIENCES > 0602 Ecology > 060205 Marine and Estuarine Ecology (incl Marine Ichthyology) @ 100%
SEO Codes: 96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960802 Coastal and Estuarine Flora, Fauna and Biodiversity @ 100%
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