Family Squalidae Blainville, 1816
Squalus Linnaeus, 1758
dogfish sharks

Squalus brevirostoris Tanaka, 1917: male, 77 cm TL, Western Satstuma Peninsula, Tumari-tunozame, Japanese shortnose spurdog

Squalus japonicus Ishikawa, 1908: male, 56 cm TL, offshore of Minami-Satstuma city, 370 m in depth. Togari-tunozame, Japanese spurdog

Squalus mitsukurii Jordan & Snyder, 1903: Tokyo Bay. Huto-tunozame, Shortspine spurdog

Squalus sp.: a female of 40. 5 cm TL, Tokyo Bay. Hiretakatunozame

Squalus acanthias Linnaeus, 1758: Piked dogfish