amphibius
animal
aquatic
background
behemoth
big
brown
corpulent
danger
endangered
face
fat
fatty
grimacing
hippo
hippopotamus
hyppo
isolated
jaw
jawbone
large
mammal
mouth
nature
obese
one
overweight
pachiderme
plump
portly
side
species
standing
stout
vertebrate
view
water
wild
wildfife
wildlife
wrinkled