"Lateral view of dogfish (Scyllium catulus). Note ventral mouth with naso-buccal groove, heterocercal tail, and unpaired fins. gs., Gill-slits; pc., pectoral fins; pv., pelvic fins." -Thomson, 1916

Dogfish

"Lateral view of dogfish (Scyllium catulus). Note ventral mouth with naso-buccal groove, heterocercal…

"Two to three feet long, haunts deep water, and feeds on small fish and crustacea. Found on the British coasts." — Goodrich, 1859

Large Spotted Dogfish

"Two to three feet long, haunts deep water, and feeds on small fish and crustacea. Found on the British…