Stocks, or Geographically Separated Populations Of the New Zealand Orange Roughy, Hoplostethus Atlanticus, in Relation to Parasite Infestation, Growth Rate, and Otolith Shape
Comparisons of parasite load of orange roughy Hoplostethus atlanticus (Teleostei: Trachichthyidae) against otolith shape, growth rate, depth of capture, sex and date of capture were grouped by both Quota Management Areas and Regional Fisheries Areas. Examination of the data showed that: (1) parasite load was not related to Quota Management Area, or to Regional Fisheries Areas; (2) parasite load is weakly related to both otolith shape and fish growth rate; (3) there are differences in growth rate between Regional Fisheries Areas; and (4) there is a significant variation in the shape of the otolith of H. atlanticus between Regional Fisheries Areas.
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Document Type: Research Article
Publication date: 01 November 2000
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