英文關鍵字
aligator
alligator
america
animal
aqua
aquarium
aquatic
atractosteus
background
beautiful
beauty
closeup
color
crocodile
danger
dangerous
deep
environment
exotic
fauna
fish
floating
fossil
fresh
freshwater
gar
inside
killer
lake
large
lepisosteus
life
marine
monster
mouth
moving
natural
nature
pet
predator
predatory
reptile
river
skin
swim
tail
tank
underwater
water
wild
wildlife