decapod

Definitions of decapod
1

n cephalopods having eight short tentacles plus two long ones

Types:
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squid
widely distributed fast-moving ten-armed cephalopod mollusk having a long tapered body with triangular tail fins
cuttle, cuttlefish
ten-armed oval-bodied cephalopod with narrow fins as long as the body and a large calcareous internal shell
Spirula peronii, spirula
a small tropical cephalopod of the genus Spirula having prominent eyes and short arms and a many-chambered shell coiled in a flat spiral
loligo
somewhat flattened cylindrical squid
ommastrephes
extremely active cylindrical squid with short strong arms and large rhombic terminal fins
architeuthis, giant squid
largest mollusk known about but never seen (to 60 feet long)
Type of:
cephalopod, cephalopod mollusk
marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles

n crustaceans characteristically having five pairs of locomotor appendages each joined to a segment of the thorax

Synonyms:
decapod crustacean
Types:
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crab
decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers
lobster
any of several edible marine crustaceans of the families Homaridae and Nephropsidae and Palinuridae
crawdad, crawdaddy, crawfish, crayfish
small freshwater decapod crustacean that resembles a lobster
hermit crab
small soft-bodied marine crustaceans living in cast-off shells of gastropods
shrimp
small slender-bodied chiefly marine decapod crustaceans with a long tail and single pair of pincers; many species are edible
prawn
shrimp-like decapod crustacean having two pairs of pincers; most are edible
tropical prawn
edible tropical and warm-water prawn
Menippe mercenaria, stone crab
large edible crab of the southern coast of the United States (particularly Florida)
hard-shell crab
edible crab that has not recently molted and so has a hard shell
soft-shell crab, soft-shelled crab
edible crab that has recently molted and not yet formed its new shell
Cancer magister, Dungeness crab
small edible crab of Pacific coast of North America
Cancer irroratus, rock crab
crab of eastern coast of North America
Cancer borealis, Jonah crab
large red deep-water crab of the eastern coast of North America
swimming crab
marine crab with some legs flattened and fringed for swimming
fiddler crab
burrowing crab of American coastal regions having one claw much enlarged in the male
pea crab
tiny soft-bodied crab living commensally in the mantles of certain bivalve mollusks
Alaska crab, Alaska king crab, Alaskan king crab, Paralithodes camtschatica, king crab
large edible crab of northern Pacific waters especially along the coasts of Alaska and Japan
spider crab
any of numerous crabs with very long legs and small triangular bodies
true lobster
large edible marine crustaceans having large pincers on the first pair of legs
Nephrops norvegicus, Norway lobster
edible European lobster resembling the American lobster but slenderer
crawfish, crayfish, langouste, rock lobster, sea crawfish, spiny lobster
large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters
Old World crayfish, ecrevisse
small crayfish of Europe and Asia and western North America
American crayfish
common large crayfishes of eastern North America
pistol shrimp, snapping shrimp
small shrimp that makes a snapping noise with one of their enlarged chelae
Palaemon australis, long-clawed prawn, river prawn
large (a foot or more) edible freshwater prawn common in Australian rivers
Type of:
crustacean
any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton