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Isotopic change throughout the life history of a Lake Malawi cichlid fish

Genner, M.J., Hawkins, S.J. and Turner, G.F. (2003) Isotopic change throughout the life history of a Lake Malawi cichlid fish Journal of Fish Biology, 62, (4), pp. 907-917. (doi:10.1046/j.1095-8649.2003.00085.x).

Record type: Article

Abstract

Clear changes in body size-isotope (carbon and nitrogen) trajectories of Pseudotropheus callainos. a cichlid belonging to the endemic haplochromine species radiation in Lake Malawi, were found that corresponded with an ontogenetic dietary shift from predominantly planktonic to benthic food sources. The results indicated that dietary switching was a proximate cause of isotopic change over the life history of this species and confirmed the value of stable isotope signatures for inferring diet. The data also illustrated that possible variability of signatures over the life history of a species should be considered when using stable isotope ratios to investigate fine-scale ecological differentiation among taxa.

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More information

Submitted date: 25 July 2002
Published date: April 2003
Keywords: cichlid fish, diet, ecology, lake malawi, stable isotopes

Identifiers

Local EPrints ID: 57731
URI: http://eprints.soton.ac.uk/id/eprint/57731
ISSN: 0022-1112
PURE UUID: e61af6df-0e68-43b1-9892-e72ec6a8ed88

Catalogue record

Date deposited: 08 Aug 2008
Last modified: 17 Jul 2017 14:28

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