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Early life history of the Patagonian toothfish, Dissostichus eleginoides Smitt, 1898 in the Atlantic sector of the Southern Ocean

Published online by Cambridge University Press:  12 May 2004

S.A. Evseenko
Affiliation:
Laboratory of Oceanic Ichthyofauna, P.P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Krasikova 23, Moscow 117218, Russia
K.-H. Kock
Affiliation:
Institut für Seefischerei, Bundesforschungsanstalt für Fischerei, Palmaille 9, D-22767 Hamburg, Germany
M.M. Nevinsky
Affiliation:
Laboratory of Antarctic Bioresources, All-Russian Institute of Fishery and Oceanography, Moscow 107140, Russia

Abstract

Dissostichus eleginoides spawn over the continental slope from June to September. The eggs, 4.3–4.7 mm diameter, were found in the upper 500 m of the water column over waters 2200–4400 m deep. Incubation of eggs is likely to take about three months. Hatching is probably in October/November. Embryos in egg development stages III and IV are described. Scales are not present until the fish are about 64–74 mm long.

Type
Papers—Life Sciences and Oceanography
Copyright
© Antarctic Science Ltd 1995

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