underwater
amboinensis
antenna
antennae
aquarium
artificial
biology
carapace
claws
cleaner
colors
colourful
coral
crab
creature
critters
crustacean
diving
eyes
feeler
food
invertebrate
legs
live
lobster
long
macro
mantis
marine
ocean
red
reef
rock
salt
saltwater
scarlet
sea
shell
shrimp
skunk
small
snail
spiny
stripes
tank
tropical
water
whisker
white
yellow