Limitations on visual food-location in the planktivorous antarctic fishPagothenia borchgrevinki |
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| Authors: | J. C. Montgomery N. W. Pankhurst B. A. Foster |
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| Affiliation: | (1) Department of Zoology, and Leigh Marine Laboratory, University of Auckland, Private Bag, Auckland, (New Zealand) |
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| Abstract: | Summary The visual threshold for food-location in the antarctic fishPagothenia borchgrevinki, is compared with light conditions and food availability under the ice. Even under the most favourable conditions for vision,P. borchgrevinki is operating close to its visual threshold and must often depend on non-visual mechanisms of prey detection.We thank J. D. Cargill and H. S. B. Weix for technical assistance, and the staff of Scott Base for their support. Funding was provided by the New Zealand University Grants Committee, and logistic support by the Antarctic Division of the Department of Scientific and Industrial Research. |
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| Keywords: | Antarctic fish vision lateral line prey detection |
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