878 Carcharhinus obscurus (Lesueur, 1818) Carcharhinidae Requiem sharks Carcharhiniformes Elasmobranchii Dusky shark Western Atlantic: southern Massachusetts to Florida (USA), Georges Bank, Bahamas, Cuba, northern Gulf of Mexico, Nicaragua, southern Brazil and Uruguay (Ref. 58839). Eastern Atlantic: Canary Islands, Cape Verde, Senegal, Sierra Leone. Some records from the Mediterranean and Madeira may be based on <i>Carcharhinus galapagensis</i>. Indo-West Pacific: Red Sea (Ref. 5485), Mozambique and South Africa to Japan, China, Viet Nam and Australia. Eastern Pacific: southern California, USA to Gulf of California and the Revillagigedo Island. Highly migratory species. UBC 120035 Carcharhinus obscurus AMNH 2966 Carcharhinus obscurus AMNH 3370 Carcharhinus obscurus AMNH 3674 Carcharhinus obscurus AMNH 38194 Carcharhinus obscurus 26 S 113 E Carcharhinus obscurus 26 S 113 E Carcharhinus obscurus 26 S 113 E Carcharhinus obscurus IGFA 27 N 82 W Carcharhinus obscurus IGFA 27 N 82 W Carcharhinus obscurus FB 2737217 Carcharias macrurus AMNH 1551 1907 Carcharhinus obscurus AMNH 9778 1910 Carcharhinus obscurus AMNH 3318 1911 Carcharhinus obscurus AMNH 22418 1914 Carcharhinus obscurus AMNH 4692 1914 Carcharhinus obscurus AMNH 4781 1915 Carcharhinus obscurus AMNH 5732 1917 Carcharhinus obscurus ISH 1620-1966 1966 Carcharhinus obscurus 125 - 135 m AMNH 38147 1978 Carcharhinus obscurus AMNH 86524 1978 Carcharhinus obscurus AMNH 86523 1979 Carcharhinus obscurus AMNH 42152 1980 Carcharhinus obscurus AMNH 57260 1980 Carcharhinus obscurus MOVI 24625 1980 Carcharhinus obscurus AMNH 215989 1983 Carcharhinus obscurus AMNH 59680 1983 Carcharhinus obscurus AMNH 79890 1984 Carcharhinus obscurus AMNH 79891 1984 Carcharhinus obscurus AMNH 90206 1985 Carcharinus obscurus AMNH 79965 1986 Carcharhinus obscurus AMNH 89012 1987 Carcharhinus obscurus AMNH 89168 1987 Carcharhinus obscurus AMNH 89170 1987 Carcharhinus obscurus AMNH 89233 1987 Carcharhinus obscurus AMNH 89235 1987 Carcharhinus obscurus AMNH 89236 1987 Carcharhinus obscurus AMNH 89237 1987 Carcharhinus obscurus AMNH 89238 1987 Carcharhinus obscurus AMNH 89239 1987 Carcharhinus obscurus AMNH 89240 1987 Carcharhinus obscurus AMNH 89241 1987 Carcharhinus obscurus AMNH 89249 1987 Carcharhinus obscurus AMNH 89250 1987 Carcharhinus obscurus AMNH 89256 1987 Carcharhinus obscurus AMNH 89259 1987 Carcharhinus obscurus AMNH 89265 1987 Carcharhinus obscurus AMNH 89266 1987 Carcharhinus obscurus AMNH 89267 1988 Carcharhinus obscurus AMNH 89268 1988 Carcharhinus obscurus AMNH 89269 1988 Carcharhinus obscurus AMNH 89270 1988 Carcharhinus obscurus AMNH 89271 1988 Carcharhinus obscurus AMNH 89272 1988 Carcharhinus obscurus AMNH 89273 1988 Carcharhinus obscurus AMNH 59037 1989 Carcharhinus obscurus MOVI 00121 1989 Carcharhinus obscurus MOVI 00108 1990 Carcharhinus obscurus 47 m AMNH 59763 1991 Carcharhinus obscurus MOVI 01381 1991 Carcharhinus obscurus MOVI 05921 1992 Carcharhinus obscurus MOVI 01969 1993 Carcharhinus obscurus MOVI 03946 1994 Carcharhinus obscurus MOVI 04446 1994 Carcharhinus obscurus MOVI 08511 1994 Carcharhinus obscurus MOVI 04726-04730 1995 Carcharhinus obscurus 70 m AMNH 94999 1997 Carcharhinus obscurus MOVI 10142 1997 Carcharhinus obscurus MOVI 11257 1997 Carcharhinus obscurus 140 m MOVI 31298 1997 Carcharhinus obscurus