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Prickly Dogfish

Oxynotus bruniensis

Prickly Dogfish
New Zealand-American Submarine Ring of Fire 2005 Exploration, NOAA Vents Program, no known copyright restrictions (public domain)

The prickly dogfish is a poorly known species of dogfish shark in the family Oxynotidae, inhabiting temperate Australian and New Zealand waters. Reaching a length of 75 cm (30 in), this brown to gray shark has a very thick body with a prominent "humpback" and extremely rough skin. It is further characterized by two enormous, sail-like dorsal fins placed relatively close together. Both dorsal fins have a spine embedded mostly within the fleshy leading portion of the fin; the first dorsal spine is tilted forward.

Classification

Class
Chondrichthyes
Order
Squaliformes
Family
Oxynotidae
Genus
Oxynotus

Wikipedia · IUCN Red List

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