英文關鍵字
animal
aquatic
benthic
black
body
bottom
cartilaginous
coral
dasyatidae
diving
dwelling
elasmobranch
environment
fin
fish
indian
large
life
maldives
marine
nature
ocean
pectoral
ray
reef
ribbontail
round
saltwater
sandy
sea
seabed
seagrass
spiracle
spots
spotted
stingray
swimming
tail
tropical
tubercles
underwater
water
wildlife
wing