英文關鍵字
animal
aquarium
are
astacus
background
beautiful
big
biology
blue
claw
close
closeup
crawfish
crayfish
crustacea
crustacean
ecology
eye
fauna
fish
food
fresh
freshwater
invertebrate
isolated
lake
leptodactylus
life
light
lobster
natural
nature
one
pond
pool
prawn
raw
red
river
rock
sand
sea
seafood
shell
shrimp
stream
summer
swim
tail
there
thrown
underwater
water
waves
white
wild