Best Squalidae
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The picked dogfish is the spiny dogfish, Squalus acanthias, notable for its long gestation and its 1758 description by Linnaeus.
The spiny dogfish is Squalus acanthias, a temperate dogfish notable for venom-bearing dorsal spines and a gestation period of roughly 18 to 24 months.
The roughskin spurdog is Cirrhigaleus asper, a deepwater dogfish notable for rough denticles and records from tropical and temperate oceans.
The shortspine spurdog is a deepwater dogfish shark of the Squalus mitsukurii complex, notable for its short fin spines and wide Indo-Pacific range.
The longnose spurdog is a small Squalus dogfish shark, notable for its elongated snout and occurrence in eastern Atlantic and Mediterranean waters.
The New Zealand spurdog is a Squalus dogfish shark found around New Zealand, notable as a southern Pacific endemic recognized from local fisheries.
The Japanese spurdog is a Squalus dogfish from the northwest Pacific, notable as a regional species described from waters around Japan.
