英文關鍵字
animal
aquaculture
aquatic
baby
background
bait
bottom
clean
clear
ecosystem
environment
farm
farming
fingerling
fish
fishing
fishpond
flock
freshwater
fry
group
herd
industry
juvenile
lake
many
natural
nature
nursery
pond
pure
river
shoal
small
sunny
surface
swim
top
under
underwater
water
whitebait
wild
wildlife
young