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The shark species "Hooktooth dogfish"

Photo
Unfortunately, there is not yet a photo of this shark in the database
Unfortunately, there is not yet a photo of this shark in the database
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
Hooktooth dogfish

Rough area of distribution

Taxonomy
Kingdom:
Animals (Animalia)
Phylum:
Vertebrates (Chordata)
Class:
Cartilagenous fishes (Chondrichthyes)
Order:
Dogfish sharks (Squaliformes)
Family:
Dogfish sharks (Squalidae)
Genus:
Aculeola
Names
Scientific:
Aculeola nigra
English:
Hooktooth dogfish
German:
Hackenzahn-Dornhai
French:
Squale noir
Spanish:
Tollo negro de cachos , Tollo negro
Appearance
Small shark with very big eyes. Two dorsal fins with spines. Origin of first dorsal fin over the inner margins. Pectoral fins with rounded tips. No anal fin.
Coloration
Blackish. White fin tips. Cloaca without luminous gland.
Distribution
Only known in the Eastern Pacific off Peru and Chile.
Biology
A little-known species. Lives preferably in benthic and epibenthic regions,at depths of 100 m to 600 m.
Diet
Unknown, probably fishes.
Size
Maximum size about 60 cm, average size about 40 cm to 50 cm.
Reproduction
Aplacental viviparous (ovoviviparous). Number of pups per litter is unknown, minimum 3 pups. Size at birth is between 13 cm and 14 cm. Males reach sexual maturity at 42 cm to 45 cm, females with 50 cm to 55 cm.
Similar Species
Some species look similar and taxonomic features have to be used to clearly distinguish between the similar species.
Vulnerability
Category: Near Threatened (NT)
Criteria: A2d
Last evaluated: 2020
Trend: Decreasing




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

Danger to Humans
Harmless.

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