short answer
plant eater
herbivore
flesh eater
carnivore
smallest crab 14 to 12 inches long
pea crab
sand colored fast runner
ghost crab
one large pincer
pistol shrimp
2 matching fan shaped shells joined by hinges
bivalves
one shelled mollusks
univalves
largest crab weighs up to 40 lbs nearly 5' long
Japanese spider crab
popular pet lives in snail shells
hermit crab
long antenna
cleaner shrimp
mini invertebrates made up of one cell such a amoebe or paramecium
protozoans
foot & head combined into a singal headlike sructrue
cepholopods
from Alaska popular sea food dish
king crab
enomus pincres meaty tail 3'' length sea food dish
American lobster
rock like
barnacle
smallest living organism made up of cell membrane cytoptsm and nucleus
cell
thin flexible covering that encloses the cell and protects it
cell membrane
eastern us popular sea food dish
blue crab
no pincers antennas are long with sharp edges
spiny lobster
crustacean lives on land
wood louse
threadlike structure in a cells nuculeus that contains the instruction of running the cell and making needed parts
chromomes
tiny hairlike structrues that cover a pramcium and allow it to swim
cillia
long antenna short antenna cephalathorax carapace abdomen compound eyes walking legs swimerets
crayfish
one of the smallest shimp unique feet "gill feet"
brine shrimp
rolly poly roos into a ball
pill bug