File:Requin soyeux accompagné de coureurs arc-en-ciel (Ifremer 00577-68946 - 27936).jpg

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The silky shark is a pelagic cartilaginous fish with a cosmopolitan distribution. It is found in the waters of the Western Atlantic, the Caribbean, as well as in the Western Indian Ocean and the Red Sea.

Summary

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Description
Français :

Le requin soyeux est un poisson cartilagineux pélagique à la répartition cosmopolite. On le rencontre dans les eaux de l’Atlantique Ouest, des Caraïbes, ainsi que dans l’Ouest de l’Océan Indien et en Mer Rouge. Il évolue dans les eaux avoisinant les 23-24°C, et riches en bancs de thons.

Mesurant en moyenne 2 à 3 m à l’âge adulte, cette espèce est reconnaissable à son corps allongé et fin, à la couleur grise et au ventre blanc. La position de la première nageoire dorsale est caractéristique de cette espèce : courte, elle est en arrière des nageoires pectorales.

Il est ici photographié au large des Seychelles, en compagnie de nombreux coureurs arc-en-ciel (Elagatis bipinnulata). Cette espèce de poisson vit en bancs, proche de la surface (entre 2 et 10 m de profondeur), dans les eaux pélagiques supérieures à 21°C, en Atlantique, Mer Rouge et zone Indo-Pacifique.

Mesurant en moyenne 1 m de longueur, cette espèce de la famille des carangues est reconnaissable notamment grâce à son dos de couleur bleue-verte métallique, à ses deux bandes bleues placées sur ses flancs (séparées d'une bande jaune).

English:

The silky shark is a pelagic cartilaginous fish with a cosmopolitan distribution. It is found in the waters of the Western Atlantic, the Caribbean, as well as in the Western Indian Ocean and the Red Sea. It lives in waters around 23-24°C, and rich in schools of tuna.

Measuring an average of 2 to 3 m as an adult, this species is recognizable by its elongated and thin body, its gray color and its white belly. The position of the first dorsal fin is characteristic of this species: short, it is behind the pectoral fins.

It is photographed here off the Seychelles, in the company of numerous rainbow runners ( Elagatis bipinnulata ). This species of fish lives in schools, close to the surface (between 2 and 10 m deep), in pelagic waters above 21°C, in the Atlantic, Red Sea and Indo-Pacific zone.

Measuring on average 1 m in length, this species of the jack family is recognizable in particular thanks to its metallic blue-green back, its two blue bands placed on its sides (separated by a yellow band).
Date 21 October 2005 (upload date)
Source Requin soyeux accompagné de coureurs arc-en-ciel
Author Marc Taquet
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Bounding box
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N: 4.20036°N
W: 43.945313°E E: 59.33594°E
S: 11.805196°S
Keywords
InfoField
Pelagic species; Fishes; Pelagic environment

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