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The shark species "Spinner shark"

Photo
Spinner shark
Spinner shark
Photo © BluePlanetArchive.com

Photo © BluePlanetArchive.com

Range Map
North America South America Africa Australia Europe Asia Coming soon Coming soon
North America South America Africa Australia Europe Asia Coming soon Coming soon
Spinner shark

Rough area of distribution

Taxonomy
Kingdom:
Animals (Animalia)
Phylum:
Vertebrates (Chordata)
Class:
Cartilagenous fishes (Chondrichthyes)
Order:
Ground sharks (Carcharhiniformes)
Family:
Requiem sharks (Carcharhinidae)
Genus:
Carcharhinus
Names
Scientific:
Carcharhinus brevipinna
English:
Spinner shark , Longnose grey shark , Inkytail shark , Smoothfang shark
German:
Spinnerhai , Langnasenhai
French:
Requin tisserand
Spanish:
Tiburón aleta negra
Appearance
Large and slender shark with a long and pointed snout. Small eyes. First dorsal fin is small and semifalcate. Origin of first dorsal fin usually over or slightly posterior to pectoral free rear tip. No interdorsal ridge.
Coloration
Grey-bronze coloration, white belly. Most often with a narrow, white band on flanks, sometimes not conspicuous. Large juveniles and adults with black tips on pectoral fins, second dorsal fin, anal and ventral caudal lobe, and sometimes on pelvic fin, first dorsal and fin and dorsal caudal lobe, too.
Distribution
Wide range, nearly world-wide. Western Atlantic: Northern Carolina to Florida, Bahamas and Cuba (probably not in the Caribbean). Northern Gulf of Mexico. Southern Brazil. Eastern Atlantic: Mediterranean, Cape Verde Islands, Senegal, Guinea, Sierra Leone, and down to Angola. Indo-Western Pacific: South Africa, Madagascar, Mauritius, Seychelles, Mozambique, Red Sea, India, Singapore and Indonesia. Japan, New Guinea, Australia, and possibly the Philippines. Missing around central Pacific Islands.
Biology
A fast swimming, very active, schooling shark that often leaps spinning out of the water (hence its name) to catch prey. It swims rapidly upward through schools of fishes with an open mouth, spinning along its long axis and snapping in all directions, then it penetrates the surface after its feeding run. Often found in coastal to pelagic, warm-temperate and tropical regions of continental and insular shelves. Common in shallow waters at a depth of less than 30 m (max. down to 75 m depth). Sometimes highly migratory.
Diet
Feeds primarily on fishes (sardines, herrings, anchovies, lizardfishes, tunas, bonitos...) but small sharks and rays, too.
Size
Average size about 195 cm and 56 kg, maximum close to 280 cm (females).
Reproduction
Viviparous species, with yolksac-placenta. 3 to 15 pups per litter. Pups are born in coastal waters and have a birth size between 60 and 75 cm, and have a fast growth rate. Males mature between 160 cm to 200 cm, females mature between 170 to 200 cm. Gestation period of 12 to 15 months. Different birth periods are known.
Similar Species
Several similar species but the very dark tip of the anal fin is very distinguishable. Mostly mistaken for the Blacktip shark that possesses a light colored anal fin.
Vulnerability
Category: Vulnerable (VU)
Criteria: A2bd
Last evaluated: 2020
Trend: Decreasing




© IUCN Red List 2024. The IUCN Red List of Threatened Species: Version 2024-2.

Danger to Humans
This species is not dangerous to human beings, although it could be troublesome to divers when spearfishing.

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