Credit: Illustration by Diane Rome Peebles
Family Xiphiidae
Description: 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
Similar fish: no close resemblance to other billfishes
Where 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
Size: once averaged 200 pounds, but overharvest has reduced size of commercially caught swordfish to average of 48 pounds
Remarks:
large swordfish are all females, males seldom exceed 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
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