Tiger Requiem Shark
SIZE: to 550 cm (18 ft.)
ID: Gray with dusky bars and patches; large head and mouth with short bluntly rounded snout, long slender tail with pointed tip. Solitary and considered dangerous. Coastal and offshore reefs to at least 75 m. Circumglobal: Tropioal and temperate seas.
Bull Requiem Shark
SEE: to 340 cm (11 ft.) Requiem Sharks • Carcharhinidae ID: Large stout body, very short bluntly rounded snout and small eyes; gray gradating to white underside, no markings on fins. Solitary or form groups in mid-water; considered dangerous (sharks). Coastal reefs and estuaries to 152 m. Circumglobal: Tropical and warm temperate seas.
Blacktip Requiem Shark
SEE: to 180 cm
ID: Brownish gray with white underside; black tip on 1st dorsal, 2nd dorsal, pectoral, anal and lower lobe of tail fins. Solitary or groups, usually not dangerous. Coastal, lagoon, and outer slopes, usually in 1-20 m. Indo-Pacific: E. Africa and Red Sea to Hawaii and Pitcaim 1. east of French Polynesia. - S. Japan to Australia
Silver Tip Shark
SIZE: to 300 cm
ID: Gray with pale underside; white tips on 1st dorsal, pectoral and tail fin lobes. Solitary or small groups; considered dangerous. Outer reef slopes, usually below about 20 m. Indo-Pacific: Red Sea and E. Africa to Society Is. in French Polynesia. - S. Japan to Australia.
SEE: to 310 cm (10 ft.)
ID: Pale yellow-brown with pale underside without distinctive markings; short snout, pair of widely spaced dorsal fins of nearly equal height. Solitary and considered dangerous. On or near bottom of bays, estuaries and offshore reefs in 1 - 30 m. Indo-Pacific: E. Africa and Red Sea to Society Is. in French Polynesia. - Marshall Is. in Micronesia to Australia.
SIZE: to 420 cm (14 ft.)
ID: Gray with pale underside; fin tips often dusky, especially underside of large pectoral fins; dorsal fin pointed and slightly shorter than Galapagos Shark [next]. Solitary or form groups in mid-water; occasionally aggressive and dangerous. Primarily along continental coastlines to 400 m. Circumtropical
SIZE: to 370 cm (12 ft.)
ID: Gray with white underside; fin tips often dusky, especially underside of large pectoral fins; tall dorsal fin pointed or sharply rounded. Solitary or form groups in mid- water; at times aggressive and dangerous. Primarily around islands in 2-180 m.Circumglobal: Tropical and warm temperate seas.
SIZE: to 240 cm (8 ft.)
ID: Gray to grayish brown with pale underside: no dusky markings on fins, very tall pointed dorsal fin, ndge between 1st and 2nd dorsal fins; short snout. Solitary to large schools, usually over sand or mud bottoms, occasionally near reefs to 280 m. Circumglobal: Tropical and subtropical seas.
Gray Reef Shark
SIZE: to 240 cm
ID: Gray with white underside; broad black tail margin, 2nd dorsal, anal and underside of pectoral fins usually black. Solitary or form aggregations; occasionally aggressive and dangerous. Outer reef slopes in 1-274 m. Indo-Pacific: Madagascar and Seychelles to Hawaii and Pitcaim I. east of French Polynesia. - China to Australia.
SEE: to 330 cm (11 ft.)
ID: Gray with white underside: lack distinctive markings except often with black tips on underside of pectoral and dusky tail fin lobe tips; 1st dorsal fin low rounded and starts behind pectoral fin, long trailing edge on 2nd dorsal. Solitary. Usually in open water to 500 m. Circumtropical.
Whitetip Reef Shark
SEE: to 200 cm (6 7: ft.)
ID: Gray with white underside; white tips on 1st dorsal fin and upper tail lobe, occasional dark spots on sides; slender with rounded snout. Solitary or form small groups. Usually rest on bottom of coastal, lagoon and outer reef slopes in 3-122 m. Indo - Pacific: E. Africa and Red Sea to Hawaii and E. Pacific. - S. Japan to Australia.