Page 30 - World of Animals - Book of Sharks & Ocean Predators

Sharks & Ocean Predators
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The scalloped

hammerhead shark

The oddly shaped heads of these amazing sharks
actually improves their ability to fi nd prey
Famed for its mallet-shaped head, it’s completely buried in sand. Living at
the scalloped hammerhead’s depths of up to 500 metres (1,600 feet),
unusual appearance functions scalloped hammerheads roam the seas in
to spread out its specialised vast schools, to help keep reproduction
sensory organs, which they high and as part of their feeding habit.
use to scan the ocean fl oor for Hammerhead sharks are unfortunately
food. This helps them to seek among the most commonly caught sharks

out their favourite meal, a stingray, for finning, which has caused its population
as it provides them with excellent to decline by up to 95 percent during the
sensitivity to electrical fields, so it can past 30 years. It is unknown how many

detect a potential meal even when remain in the wild.

Angel shark

This ambush predator can pump water through its own gills,
so that it can keep breathing while lying in wait for its prey

Angel sharks can easily be mistaken suitable meal. Many shark species no commercial value but suddenly
for rays or skates, due to their need to swim in order to breathe, began to be marketed, causing the
unusual flattened body and broad but the angel shark is able to annual catch rate to rise from 147

pectoral fins, and because they breathe while remaining motionless kilograms (324 pounds) in 1977

spend most of their days buried thanks to the spiracles on top of to the equivalent of a staggering
in the seabed with only their eyes its head. These structures pump 90,000 angel sharks in 1985, from
visible. They use this position to hide water through the gills, providing a central California alone. By 2010,
from their prey, sometimes waiting continuous supply of oxygen. Until the angel shark was classifi ed as
up to a week before pouncing on a the late 1970s the angel shark had critically endangered.

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