浜辺
underwater
above
animal
bay
black
blue
bottom
coast
coastline
crystal
danger
echinoderm
floor
hedgehog
life
marine
mollusk
moss
nature
needle
ocean
pebble
pure
purple
ripple
rippled
rock
rocky
sea
seafloor
seascape
seashore
seaside
shallow
shoal
shore
spikes
spiny
stone
surface
texture
threat
transparent
turquoise
undersea
urchin
view
water
wild