Trophic ecology of northern Australia's terapontids: ontogenetic dietary shifts and feeding classification

A.M. Davis; R.G. Pearson; B.J. Pusey; C. Perna; D.L. Morgan; D. Burrows

doi:10.1111/j.1095-8649.2010.02862.x

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Trophic ecology of northern Australia's terapontids: ontogenetic dietary shifts and feeding classification

Journal article

Peer reviewed

Trophic ecology of northern Australia's terapontids: ontogenetic dietary shifts and feeding classification

A.M. Davis, R.G. Pearson, B.J. Pusey, C. Perna, D.L. Morgan and D. Burrows

Journal of Fish Biology, Vol.78(1), pp.265-286

2010

DOI: https://doi.org/10.1111/j.1095-8649.2010.02862.x

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Abstract

The diets of 21 terapontid species from freshwater environments in northern Australia were investigated to determine the similarity and dissimilarity among species and the extent of any ontogenetic shifts. Distinct ontogenetic dietary shifts occurred in all species for which sufficient data were available, with many species passing through several discrete trophic categories during their life histories. Diets of all juvenile terapontids were similar, mainly comprising aquatic insects and zooplankton. Larger size classes of terapontids diverged into a broad spectrum of feeding groups comprising carnivorous dietary modes (including piscivory and lepidophagy), omnivory (including frugivory and consumption of allochthonous prey), herbivory and detritivory. The results indicate that the terapontids represent Australia's most trophically diverse freshwater fish family.

Details

Title: Trophic ecology of northern Australia's terapontids: ontogenetic dietary shifts and feeding classification
Authors/Creators: A.M. Davis (Author/Creator) - Australian Institute of Tropical Health and Medicine
R.G. Pearson (Author/Creator) - James Cook University
B.J. Pusey (Author/Creator) - Griffith University
C. Perna (Author/Creator) - Griffith University
D.L. Morgan (Author/Creator) - Murdoch University
D. Burrows (Author/Creator) - Australian Institute of Tropical Health and Medicine
Publication Details: Journal of Fish Biology, Vol.78(1), pp.265-286
Publisher: Blackwell Publishing Inc
Identifiers: 991005543727707891
Murdoch Affiliation: Centre for Fish and Fisheries Research
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.2 Marine Biology; 3.2.62 Freshwater Fish Ecology
Web Of Science research areas: Fisheries; Marine & Freshwater Biology
ESI research areas: Plant & Animal Science