| Combtooth dogfish | |
|---|---|
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Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Division: | Selachii |
| Order: | Squaliformes |
| Family: | Etmopteridae |
| Genus: | Centroscyllium |
| Species: | C. nigrum |
| Binomial name | |
| Centroscyllium nigrum Garman, 1899 | |
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| Range of combtooth dogfish (in blue) | |
Thecombtooth dogfish (Centroscyllium nigrum) is a little-known, deepwaterdogfishshark, named after its teeth that are comb-shaped.
The combtooth dogfish has noanal fin, grooved dorsal spines, twodorsal fins of about same size, a pointed nose, large eyes, smallgill slits, a short abdomen, a shortcaudal peduncle, and is blackish-brown in color with white-tipped fins. Like all dogfish sharks, it has 2 spines in front of its 2 dorsal fins. It grows to a maximum of 50cm. It has a faint tiger-like band held together by thelateral line that hasphotophores that emit light to attract prey. Immature pups are born at 11-13cm. It has aspiracle behind each eye.
It consists of eating small fish, shrimp, andcephalopods.
It is an uncommon deepwater shark found close to the bottom between 400 and 1,145m. It is found in the easternPacific and aroundHawaii.
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