英文關鍵字
amphibians
bidens
brachpomus
bubbles
camouflage
camouflaged
colossoma
creature
dorsal
elongated
eyes
fins
fish
flippers
floating
gills
gliding
hiding
huge
large
life
marine
mouth
nestling
oceanic
organism
pacu
pectoral
piaractus
piranha
pirapitinga
scales
sea
species
submerged
swimming
tail
underwater
water