英文關鍵字
urchin
sea
sharp
black
spike
sunny
shore
rocky
underwater
submerge
animal
aquatic
background
closeup
creature
detail
diadema
echinoderm
food
life
long
macro
marine
mediterranean
natural
nature
needles
ocean
rock
seabed
snorkeling
spiked
spikes
spine
spined
spines
spiny
stone
tropical
undersea
water
wild
wildlife