crabs) are decapods characterized by 10 (5 pair)
They have a thin,
crustaceans, shrimp have three distinct body
parts: head, thorax, and abdomen
The common shrimp
is broken down into 8 major parts:
or head - (the "rostrum" protrudes from the
front, top, center)
segments (the first just behind the carapace
and the sixth in front of the tail)
The eyes are
located on either side of the rostrum
The mouth is located on the bottom
front between the two "Antennae", just before
the 5 pairs of walking legs.
The carapace is
the part of the exoskeleton that protects and
supports the head and thorax. The rostrum
or horn is an extension of the carapace.
Presumably, it provides stability while
5 pairs of jointed legs on the thorax,
3 pair are used for walking and 2 pair have
claws and are used for feeding (some species
have 2 for walking and 3 for feeding).
abdomen, 5 pairs of appendages
used for swimming and carrying eggs and the tail (telson)
is also used when swimming.
The body, legs,
swimmerets, and other appendages are segmented.
Shrimp have two pairs of segmented sensory
antennae and compound eyes.