英文關鍵字
animal
aqua
aquatic
biotope
carassius
carp
clear
close
cosmopolitan
dangerous
driftwood
ecology
fauna
fish
fishkeeping
footage
freshwater
gibel
gibelio
gravel
grey
hornwort
instinct
invasive
juvenile
live
local
macro
move
movie
natural
nature
potamogeton
protection
prussian
relax
rest
rich
river
sand
spread
swim
tank
underwater
vegetation
water
wide
wild