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Feeding and gut structure of Parathemisto gaudichaudi (Guerin) (Amphipoda, Hyperiidea)

Published online by Cambridge University Press:  11 May 2009

M. Sheader
Affiliation:
Dove Marine Laboratory, Cullercoats, North Shields, Tyne and Wear
F. Evans
Affiliation:
Dove Marine Laboratory, Cullercoats, North Shields, Tyne and Wear

Extract

Previous (workers who have examined the gut contents of members of the genus Parathemisto, and who have kept and fed specimens in laboratory conditions, have concluded that they are chiefly carnivorous in habit, feeding largely on zooplankton, and to a lesser extent on phytoplankton (Conover, 1960; Baker, 1963; Kane, 1967).

The gut of P. gaudichaudi has been found to contain almost intact copepods, especially Calanus and occasionally Temora (Bigelow, 1926 – Gulf of Maine); young specimens of Euphausia superba (Hardy & Gunther, 1935 – Antarctic); and copepods (Nemoto & Yoo, 1970). Siegfried (1965 – west coast of S. Africa) found P. gaudichaudi to be a rather indiscriminate feeder, its gut contents reflecting the composition of the plankton.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 1975

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