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Breeding and marsupial development in laboratory-maintained Parathemisto gaudichaudi (Amphipoda)

Published online by Cambridge University Press:  11 May 2009

Martin Sheader
Martin Sheader
Affiliation:
Dove Marine Laboratory, Cullercoats, N. Shields, Tyne and Wear
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Extract

Parathemisto gaudichaudi (Guerin) (= P. gracilipes, Sheader & Evans, 1974) is a species of planktonic hyperiid amphipod which occurs in temperate and subpolar regions in both hemispheres (Dunbar, 1964; Kane, 1966; McHardy, 1970, Ph.D. thesis, Edinburgh University).

Our previous studies have dealt with the taxonomy (Sheader & Evans, 1974), feeding and gut structure (Sheader & Evans, 1975), and morphological variation (Sheader, 1975) of P. gaudichaudi. These studies involved the routine maintenance of the species in laboratory conditions, allowing behavioural and developmental data to be gathered. The present paper deals with fertilization of the eggs and subsequent development up to the time of release from the marsupium. Animals were collected at a station 5 miles east of Blyth, Northumberland (55° 07′ N, 1° 22′ W). Laboratory culture is described in previous papers (Sheader & Evans, 1974, 1975).

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 57 , Issue 4 , November 1977 , pp. 943 - 954
Copyright
Copyright © Marine Biological Association of the United Kingdom 1977

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