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The F/V Centurión del Atlántico moored in the port of Ushuaia (Photo: courtesy of Revista Puerto)

A new evaluation campaign was carried out for the patagonian toothfish juvenile

Click on the flag for more information about Argentina ARGENTINA
Tuesday, September 15, 2020, 15:00 (GMT + 9)

It was on board the commercial fishing vessel Centurión del Atlántico.
 
For the fourth consecutive year, the National Institute for Fisheries Research and Development (INIDEP) carried out the evaluation campaign for thepatagonian toothfish (Dissostichus eleginoides) juvenile, on board the Centurión del Atlántico fishing vessel belonging to the Estremar company.
 
The campaign contemplated, within the framework of a regular fishing trip, the realization of 20 sets, with a geographical position and a predetermined duration, located to the east of the Isla de los Estados.
 
 
The main objective was the estimation of an index of abundance of the juvenile fraction (less than 82 cm) in the main area of ​​concentration of immature specimens of the species. Reproductive and trophic aspects of the species were also observed and tagging and releasing of juvenile specimens for migratory studies were carried out.
 
Despite the particular current pandemic situation, it was possible to board the INIDEP observer, Germán Pidote, at the port of Ushuaia, responsible for the tasks stipulated in the campaign plan designed for this purpose.
 
Photo: INIDEP
 
The Patagonian toothfish or toothfish (Dissostichus eleginoides) is distinguished from another toothfish indicated for the Antarctic Sector, Dissostichus mawsoni, because Dissostichus eleginoides has elongated areas without scales on the head that the other species does not have and the longer lower lateral line .
 
Size
 
The maximum size recorded for the Atlantic Ocean is 215 cm.
 
Photo: Stockfile

Other biological data
 
The toothfish reaches its first sexual maturity at 90 - 100 cm, when it is between 9 and 10 years old. In the Kerguelen Islands (Indian Ocean) it has been observed in reproduction in early autumn (April - May).
 


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