英文關鍵字
animal
aquarium
aquatic
beautiful
big
body
bright
ecology
environment
exotic
expensive
fauna
fin
fish
float
fresh
freshwater
gills
habitat
home
large
life
long
luxury
marine
move
nature
oceanarium
one
pet
predator
scales
silver
striped
swim
swimming
transparent
tropical
underwater
watching
water
wild
world