Bigeye thresher / Tiburón rabón Alopias superciliosus
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- Tipo de pezMarítima
Vernacular names:
Es: Zorro ojón
Fr: Renard a gros yeux
In: Bigeye thresher
Local names:
Ecuador: Tiburón zorro, Tiburón rabón, Trompa de zorro, Zorro de mar, Gogotero, Rabudo.
México: Pez zorro, Tiburón coludo, Tiburón zorro, Zorra de mar.
Commercial names:
Thresher shark
Simile of international trade:
Alupias vulpinus, A. pelagicus.
Geographical distribution:
Its distribution goes from 32° 43' N to 05° 00' S in the Eastern Pacific Ocean.
Habitat and biology:
It is found in waters of the continental platform around the coast and also in oceanic waters. Epipelagic and epibentic (from the surface to 500 m of depth). Ovoviviparous. It feeds on pelagic and demersal fish.
Length:
Its mean length is 300 cm (TL), though they can be specimens of 460 - 470 cm (TL).
Principal ports of landing:
Esmeraldas, Manta, San Mateo, Puerto López, Santa Rosa, Anconcito and Puerto Bolívar.
Types of fisheries:
Artisanal.
Fishing season:
All year round.
Landings:
The annual unloading average in artisanal fisheries is 1505 tons.
Types of vessel:
Fiberglass boats.
Importance:
Because of its unloading volumes is one of the species of shark most important in the artisanal sector. When the prices decrease of the existing offer, the fishermen don't fish this resource. Its flesh is of good quality. It has good demand at local and international level. In the local markets is sold as "marlin".
Processing (fresh and frozen):
H&G:
Headless, gutted, chestless, tail-off and skin on.
Packing:
H&G:
When fresh, in waxed cardboard boxes, insulated, plastic liner, with or without gel packs.
H&G 78 - 80
Chemical composition:
Proximate composition (%)
Moisture: 84.3
Fat: 0.7
Protein: 14.0