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