Color of back variable, black, grayish blue, brown, metallic
purple, or bronze; sides dusky; underbelly dirty white; long,
flat, sword-like upper jaw; lacks scales, teeth, and pelvic
fins; single keel on each side of body in front of tail; first
dorsal fin high, rigid and short; large eyes.
fish: No close fish resemblance to other billfishes
found: Offshore species worldwide in temperate and tropic
waters; known to frequent depths of 400 to 500 fathoms; also
has been seen basking at the surface.
Once averaged 200 pounds, but overharvest has reduced
size of commercially caught swordfish to average of 48 inches.
Large swordfish are all females, males seldom exceeding
200 pounds; except when spawning, females believed to prefer
water cooler than that favored by males; feeds on squid, octopus,
and pelagic fishes of all kinds.