The northern spiny dogfish (Squalus griffini), also known as the brown dogfish, grey spiny dogfish or Griffin's dogfish, is a marine species of the family Squalidae, found off New Zealand's North Island.

The length of the longest specimen measured is 89.9 cm (35.4 in).

[2] In June 2018 the New Zealand Department of Conservation classified the northern spiny dogfish as "Not Threatened" with the qualifier "Secure Overseas" under the New Zealand Threat Classification System.

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