Childrens Illustrated Animal Atlas

AT

LA

NTIC^ OCEA

N

Just one yellowfin tuna

can weigh up to 882 lb

(400 kg), although

388 lb (176 kg) is

more common.

Common cuttlefish

The cuttlefish changes color

to blend in with its surroundings

and to communicate with other

cuttlefish. It has three hearts,

two of which pump blood to

its gills. The third pumps blood

around its body.

Yellowfin

tuna

HABITAT KEY

Coral reef

Sardines grow up to 12 in

(30 cm) long and swim in

enormous schools with lots

of other sardines so they

aren’t all eaten at once.

Sardines

PACIFIC

(^) O
CE
A
N
The chinook hatches in
freshwater, then swims to
the ocean, but each adult
fish returns to the place
where it hatched to breed.
Chinook salmon
The cuttlefish is related to squids
and octopuses.
The great hammerhead’s
favorite food is the stingray.
It holds rays down using one
side of its “hammer” to avoid
getting stung while it feeds.
Great
hammerhead
The world’s largest ray,
the giant manta grows up
to 23 ft (7 m) across and
weighs up to 2.2 tons
(2 tonnes).
Giant manta ray
As it grows, the lobster
sheds its skin—a process
called molting. By the time
it becomes an adult, a
lobster has increased in
size 100,000 times!
American
lobster
Also known as an orca,
this is the largest dolphin
species. It has teeth
up to 4 in (10 cm) long.
Killer
whale
The blue mussel is one
of the toughest shellfish
around. It can survive
freezing as well as very
warm ocean water.
Blue mussels
The anglerfish uses
the glowing lure on
its head to tempt
passing prey close
enough to eat.
Deep sea
anglerfish
The blue whale is roughly
the size of a jumbo jet. It
weighs two times more than
the biggest known dinosaur.
Blue whale
The sea horse can move
its eyes individually, so it
can watch for predators
or prey from many
directions at once. Spiny^
sea horse

Oceans

and seas

Water covers a huge 70 percent of the Earth’s

surface. Thousands of species live in or near

oceans and seas, from tiny plankton to the

largest creature on our planet—the blue whale.

US_088_089_Oceans_Seas.indd 88 31/03/2017 14:50