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    Information on the spawning season and gonadosomatic indices
    of Dissostichus mawsoni from Subarea 88.1 in the 2002/03 season

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    Document Number:
    WG-FSA-03/46
    Author(s):
    G.J. Patchell (New Zealand)
    Agenda Item(s)
    WG-FSA-03 - - undefined
    Abstract

    Data on maturity, gonadosomatic index (GSI) and length weight of Antarctic toothfish Dissostichus mawsoni were collected from Sub-area 88.1 in the 2002-2003 season by the New Zealand bottom longline vessels Janas, Avro Chieftain and San Aotea II operating in the Exploratory Fishery. The first spawning fish were found in April, a month earlier than in the previous season.