Hooktooth dogfish
| Hooktooth dogfish | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Division: | Selachii |
| Order: | Squaliformes |
| Family: | Etmopteridae |
| Genus: | Aculeola F. de Buen, 1959 |
| Species: | A. nigra
|
| Binomial name | |
| Aculeola nigra F. de Buen, 1959
| |
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| Range of hooktooth dogfish (in blue) | |
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The hooktooth dogfish, Aculeola nigra, is a small, little-known dogfish, the only member of the genus Aculeola.
The type specimen is held at the National Natural History Museum, Santiago, Chile.
Description
[edit | edit source]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
[edit | edit source]They are found in the eastern South Pacific along the coast of South America from Peru to central Chile.
Habits and habitat
[edit | edit source]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
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- FAO Species Catalogue, Volume 4, Parts 1 and 2: Sharks of the World
External links
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