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Spiny Pygmy Shark
Scientifically:
Squaliolus laticaudus.
What To Look For:
The smallest shark in the world and the only one
with a single spine on the first dorsal fin and
none on the second. The tail is spade-shaped and
there are pale edges to the fins, and it has
well-developed light-emitting organs (photophores)
on the underside of the body, which enable
individuals to locate one another. It is a
wide-ranging species over continental slopes (to
depths of 500 m.) and it migrates to the surface
at night to feed.
Size:
Up to 25 cm, matures at 15-17 cm.
Distribution:
Worldwide in tropical and temperate seas.
Food:
Deep-water squid and bony fish.
Breeding:
Probably a live-bearer, with up to 12 mature eggs
found in a single female.
Danger To Humans:
Not known to be dangerous.
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