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Genus Squalus
Bluntnose spiny dogfish - The spiny dogfish has dorsal spines, no anal fin, and white spots along its back.
Squalus acutirostris - Squalus acutirostris is a harmless deepwater species with ovoviviparous reproduction.
Eastern highfin spurdog - Its reproduction is ovoviviparous.
Western highfin spurdog - Its reproduction is ovoviviparous.
Squalus crassispinus - The fatspine spurdog is a rare, small and slender dogfish with a broad head and short snout.
Cuban dogfish - It is a slim, gray shark with black tips to its dorsal fins black and at the edges of its pectoral fins, its pelvic and caudal fins are white; It possess a spine at front edge of each of its two dorsal fans.
Eastern longnose spurdog - Its reproduction is ovoviviparous.
Dogfish - The shortnose spurdog, Squalus megalops, is a dogfish, a member of the family Squalidae, found at depths from 30 to 750 m on the eastern coast Australia, Its length is up to 71 cm.
Blacktail spurdog - Its reproduction is ovoviviparous.
Blue dog - The shortspine spurdog, Squalus mitsukurii, is a dogfish, a member of the family Squalidae, found around the world on continental shelves in temperate and subtropical oceans between latitudes 45°N and 55°S, from the surface to 950 m.
Western longnose spurdog - The western longnose is a rare, small and slender dogfish with a narrow head and long narrow snout.
Bartail spurdog - The bartail spurdog, Squalus notocaudatus, is a dogfish of the family Squalidae, found on the continental shelf off Queensland, Australia, at depths of between 220 and 450 m .
Cyrano spurdog - Its reproduction is ovoviviparous.
