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.
[edit] Physical characteristics
Hooktooth dogfish have 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.
[edit] Distribution
They are found in the Eastern South Pacific along the coast of South America from Peru to central Chile.
[edit] Habits and habitat
This shark is a little-known yet common shark that lives between 110 and 560 m. They are ovoviviparous with at least 3 pups per litter. They probably eat bony fish and invertebrates.
[edit] References
