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amphibians
arthropod
brachyura
bubbles
camouflage
camouflaged
chelipeds
claws
crab
creature
crustacean
decapod
elongated
exoskeleton
eyes
floating
footed
gliding
huge
japanese
kaempferi
large
life
macrocheira
mandibles
marine
mouth
moving
nippers
oceanic
organism
sea
shell
spider
spikes
submerged
swimming
tall
underwater
walking
water