FRANCES WALDEN
CONSERVATION BIOLOGY
WRITE UP OF ENDANGERED SPECIES
DECEMBER 6TH, 2007
THE holy person SHARK (Squatina squatina).
In the past few decades, the interest by numerous in protecting and preserving the worlds
biodiversity have increased. valet activities, around the globe, possess a threat to
biological communities. It has been proposed that many biological species will go extinct
in the coming decades (Richard Primack, 2004). bingle such biological species which is going
extinct is the angel shark.
The paragon sharks ar flat-bodied sharks, very ray-like, with broad pectoral fins that
bury themselves in the horse sense or mud with only the eyes and part of the clear of the soundbox
exposed. They have a blunt snout and be disguise to blend into the sand and rocks
of the ocean bed. They have long, wide fins that check like wings, giving it its name. It is
also known as the monastic shark, sand devil, and monkfish. While the forward part of the
angel sharks body is broad and flattened; the rear part retains a goodish appearance
more typical of other sharks. The eyes and spiracles are on top, and the five gill slits are
on bottom. Both the pectorals and the pelvic fins are large and held horizontally.
There
are two dorsal fins, no anal retentive fin, and unusually for sharks, the lower lobe of the caudal fin
is longer than the upper lobe. Angel sharks have small, sharp dentition in trap-like jaws. They
eat fish, crustaceans, and mollusks. all(prenominal) angel sharks capture their prey by ambush. Lying
almost undetectable beneath a layer of sand or silt, they have a bun in the oven until a hapless victim
approaches before engulfing it with lightening speed, in its trap-like jaws. Their narrow
pointed teeth are ideal for holding prey, most of which is swallowed whole. Tests on the
nutriment habits of angel sharks have shown that they react to any passing prey, spue out
anything that does not appeal to their appetite. They have complete faith in...If you essential to get a full essay, order it on our website: Orderessay
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