英文關鍵字
animal
aquaria
aquarium
aquatic
basin
behavior
body
breeding
courtship
culture
ecological
ecology
eelgrass
environment
environmental
farming
fin
finny
fish
fishes
freshwater
genus
guppy
hemigrammus
lake
mating
molly
neon
paracheirodon
pisciculture
plant
plants
poecilia
reproduction
river
riverbed
rummynose
scales
some
species
stream
swim
swimming
tank
tetra
tetras
tropical
underwater
vallisneria
water