英文關鍵字
acheilognathinae
actinopterygii
adult
algae
amarus
animal
aqua
aquarium
aquatic
bait
biotope
bitterling
bream
brown
clean
clear
close
closeup
crucian
cyprinidae
cypriniformes
environment
european
fauna
fish
fishery
focus
freshwater
gobio
gudgeon
juvenile
rhodeus
river
selective
small
swims
temperate
typical
water
wild
young