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IT CAN’T BE TRUE! 217
What’s the The MOVING JELLY

tentacles of
biggest jellyfish? long as 2½ blue
a lion’s mane
jellyfish are as
whales.

The largest lion’s
mane jellyfish had
a bell—or body—
7½ ft (2.3 m) wide.
Jellyfish have a nervous system, but no
brain or eyes. They have three parts—the
tentacles, bell, and oral arms. The bell is
the pulsating jellylike body, which propels
the jellyfish through water. Oral arms are
used to direct food into the mouth opening.

A blue whale is
a whopping 100 ft
(30 m) in length.

FAST FACTS
Larger lion’s The biggest lion’s mane jellyfish
mane jellyfish are can weigh 1.1 tons (1 metric
darker than small ton), which is heavier than
ones. The smallest a polar bear.
are cream or
orange, and the
biggest are deep
red or purple.

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