英文關鍵字
agile
animals
aquatic
asia
blue
clupeidae
coral
direction
ecosystem
environment
fast
fish
fishing
herring
herrings
island
mackerel
marine
moalboal
motion
moving
nature
ocean
over
philippines
pilchard
pilchards
reef
sardine
sardines
school
sea
shoal
silver
small
species
speed
swimming
togetherness
tropical
underwater
water
wild
wildlife