To about 12.5 ft (3.8 m).
- Pectoral fins very long, narrow, pointed
- Caudal fin nonlunate
- Body slender
- Snout rounded, long
- Color dark blue above, bright blue with metallic hues on sides, white underside
- First dorsal fin closer to pelvic fins than to pectoral fins
Newfoundland, Canada, to Argentina, including Gulf of Mexico and Caribbean Sea. Common in U.S. Northeast and mid-Atlantic.
Offshore; relatively cool waters 45-70°F (7-21°C); surface to about 1,970 ft (600 m).
Text descriptions taken from:
Guide to Sharks, Tunas, & Billfishes
of the U.S. Atlantic and Gulf of Mexico