Octavio’s Book

CrustaceansCrustaceans

Crustaceans are Invertebrates (no backbones)

The lobsters

and crabs are

crustaceans

Their body is encased in a stiff shell that …

… must be shed to allow the animal to grow

The shrimps and barnacles are crustaceans

A crustaceans body is made of 3 parts: head, thorax and abdomen

although, the head and thorax may fuse

Only crustaceans

have two pairs

of antenna in

the head

The krill and

horseshoe

crab are

crustaceans

Most crustaceans are aquatic

..but some have adapted to terrestrial life

The hermit crab and woodlice are terrestrial crustaceans

Few crustaceans

are parasites

and live attached

to their host

The sea lice

and whale lice

are

crustaceans

Species of crustaceans can look very different one of the other

but all have the

basic larval

form known as

nauplius

Some crustaceans are an important ingredient

in the culinary tradition of many countries

The science that study the crustaceans is

the carcinology

Other interesting

crustaceans are the cleaner shrimps

There exists more than 55,000 species of crustaceans