Page 44 - One Million Things: Animal Life - The Incredible Visual Guide
P. 44
Large eyes provide excellent vision Shell contains chambers that provide buoyancy
Common squid
CEPHALOPODS Octopuses, squid, nautiluses, cuttlefish, and other cephalopods are intelligent mollusks. They have a large head and a mouth surrounded by arms or tentacles, which are used for movement and catching fish and crabs. The mouth is equipped with a horny beak and a toothed radula for dragging in food. Cephalopods can move very quickly using a form of jet propulsion. Pearly nautilus Blue giant clam
body, often protected by a hard, chalky shell, and feed using
mollusks share some common features. They all have a soft
species, ranging from garden slugs to pearl-bearing oysters
foot for movement and breathe using gills. Most belong to
This amazingly diverse group includes more than 100,000
and terrifying giant squid. Despite their differences, most
the gastropods—the group that includes snails and slugs.
a roughened strip called a radula. They have a muscular
Common octopus
MOLLUSKS
Suckers used to grip prey
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