Barracouta (Thyrsites atun)

Barracouta - Thyrsites atun
Name: Barracouta (Thyrsites atun)
Family: Gempylidae (Snake mackerels)
Order: Perciformes (perch-likes)
Class: Actinopterygii (ray-finned fishes)
Alternative Name: Snoek
Max size: 200 cm SL (male/unsexed; Ref. 3630); max. published weight: 6,000 g (Ref. 6181); max. reported age: 10 years
Environment: Benthopelagic; oceanodromous; brackish; marine ; depth range 0 - 550 m
Climate: Subtropical; 13 - 18°C; 25°S - 58°S
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (tm=2-4; tmax=10)
Distribution: Southwest Atlantic: Uruguay, Argentina and Tierra del Fuego. Eastern Atlantic: Tristan da Cunha and South Africa. Western Indian Ocean: South Africa and the St. Paul and Amsterdam Islands. Eastern Indian Ocean: Tasmania and southern coast of Australia. Southwest Pacific: New Zealand and southern coast of Australia. Southeast Pacific: Southern Peru, Chile, and Tierra del Fuego.
Diagnosis: Dorsal spines (total): 19-21; Dorsal soft rays (total): 11-13; Anal spines: 1-1; Anal soft rays: 10-12; Vertebrae: 35-35. Body elongate and strongly compressed. Lateral line single, running close to the upper contour of the body below most of the first dorsal-fin base then abruptly curving ventrally. Body is dark blue, slightly paler on belly; first dorsal fin membrane black (Ref. 6181).
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