704 Somniosus rostratus (Risso, 1827) Somniosidae Sleeper sharks Squaliformes Elasmobranchii Little sleeper shark Eastern Atlantic and the Mediterranean. AMNH 55514 Somniosus rostratus FB 2737229 Somniosus bauchotae 220 m FISH 1556951 1979 Somniosus rostratus 800 - 800 m AMNH 78351 1986 Somniosus rostratus IIPB 742/1987 41 N 3 E 1987 Somniosus rostratus 1975 - 1975 m IIPB 177/1991 40 N 2 E 1988 Somniosus rostratus 2220 - 2220 m MOVI 16015 1999 Somniosus rostratus 600 - 800 m