Harman Patil (Editor)

Hooktooth dogfish

Updated on
Share on FacebookTweet on TwitterShare on LinkedInShare on Reddit
Covid-19
Kingdom  Animalia
Subclass  Elasmobranchii
Family  Etmopteridae
Higher classification  Aculeola
Phylum  Chordata
Order  Squaliformes
Scientific name  Aculeola nigra
Rank  Species
Hooktooth dogfish wwwfishbaseusimagesthumbnailsjpgtnAcnigf3jpg
Genus  Aculeola F. de Buen, 1959
Similar  Granular dogfish, Rasptooth dogfish, Largespine velvet dogfish, Scymnodalatias, Plunket shark

The hooktooth dogfish, Aculeola nigra, is a small, little-known dogfish, the only member of the genus Aculeola.

Contents

The type specimen is held at the National Natural History Museum, Santiago, Chile.

Description

The hooktooth dogfish has a blunt, flattened snout, very large eyes, a relatively long distance from the eye to the first gill slit, small grooved dorsal spines, a first dorsal fin about halfway between the pectoral and pelvic fins, and a broad caudal fin. They are black with a maximum length of only 60 cm.

Distribution

They are found in the eastern South Pacific along the coast of South America from Peru to central Chile.

Habits and habitat

This shark is a little-known, yet common, shark that lives at depths between 110 and 560 m. They are ovoviviparous, with at least three pups per litter. They probably eat bony fish and invertebrates.

References

Hooktooth dogfish Wikipedia


Topics
 
B
i
Link
H2
L