英文關鍵字
acipenser
acipenseridae
acipenseriformes
actinopterygii
angara
animal
aquarium
asian
background
baerii
big
black
blue
common
dark
edible
endangered
endemic
europe
fauna
fin
fish
food
fresh
freshwater
head
kolyma
life
many
marine
natural
nature
ocean
one
sea
seafood
siberia
siberian
stenorrhynchus
sturgeon
swim
swimming
symbol
underwater
water
wild
wildlife
zoo