英文關鍵字
fish
kaluga
swim
carp
background
dark
marine
life
exotic
subtropics
sturgeon
breeding
isolated
beautiful
white
spots
body
animal
wildlife
wild
nature
water
reptile
aquatic
crocodile
underwater
predator
river
aquarium
dangerous
natural
ocean
sea
tropical
fauna
fin
tank
colorful
outdoor
flora
scuba
environment
discus
cichlid
zoo
mouth
freshwater
ecology
biology