英文關鍵字
animal
are
asia
asian
attract
breeding
calm
can
eating
ecosystem
engage
enlist
entice
everywhere
feed
feeding
fish
fisherman
fishery
fishing
fishingn
floating
flock
food
freshwater
fun
introduced
lanka
microalgae
microscopic
neuston
nile
niloticus
nourish
oreochromis
periphyton
peter
pisces
pisciculture
pond
recruit
river
riverside
saint
shore
southeast
sri
surface
tilapia
tropical
vegetation
water
weather