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Article
Published: 2021-01-06

The distribution of four species of the genus Macrourus (Gadiformes: Macrouridae) from the Southern Ocean based on samples from the toothfish longline fishery

South African Institute for Aquatic Biodiversity, Grahamstown, 6140, South Africa.
South African Institute for Aquatic Biodiversity, Grahamstown, 6140, South Africa. University of KwaZulu-Natal, Durban, South Africa.
Museum of New Zealand Te Papa Tongarewa, Wellington, New Zealand.
Department of Agriculture Forestry and Fisheries, Cape Town, South Africa.
Gadiformes Dissostichus grenadier molecular genetics scale morphology Heard Island McDonald Islands Ob Bank Lena Bank Prince Edward Islands

Abstract

The known distribution of Macrourus caml is extended to the Ob and Lena Banks area, and southwest of Heard and McDonald Islands. Macrourus holotrachys was recorded from Prince Edward Islands and the Ob and Lena Banks. Macrourus carinatus specimens examined were all from Prince Edward Islands, the type locality. Macrourus whitsoni specimens examined were all from the southeast Atlantic Ocean at about 69˚S, close to the Antarctic continent (off Maud Land), consistent with a previous study which reported the species from 64–77˚S. A revised identification key is provided.

 

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