Bassalia
Loch Ness monster
abyss
abyssal zone
alevin
bathyal zone
benthon
bottom waters
bottomless depths
cetacean
dolphin
fingerling
fish
fry
game fish
grilse
ground
inner space
kipper
man-eater
man-eating shark
marine animal
minnow
minny
nekton
ocean bottom
ocean depths
ocean floor
panfish
pelagic zone
plankton
porpoise
salmon
sea monster
sea pig
sea serpent
sea snake
shark
smolt
sponge
the deep
the deep sea
the deeps
the depths
trench
tropical fish
whale
being
biogeographical region
organism