Close up of large gray hippopotamus swimming in the water. in the background another hippopotamus.
A large gray hippopotamus floating in the water. Vising zoo.
A large gray hippopotamus floating in the water. Vising zoo.
Hippopotamus in water
Arapaima underwater in large aquarium with another swimming next to it.
There is a large hippopotamus at the zoo in a spacious enclosure
Water surface in swimming pool. Water background. Close up of shiny water surface in swimming pool. Swimming pool reflection in water surface ripples
Close shot of Ciconiiformes bird with large peak swimming in water
The common hippopotamus (Hippopotamus amphibius), or Hippo in green water pond. Huge Hippopotamus Who Swims and Dives in a Pond
Hippopotamus half-submerged in water
A large green plant is shown in close-up. Another close-up image of a plant is seen
Hippo swimming in water, danger animal in zoo. Wildlife hippo in pond zoology in environment. Hippopotamus enjoying submerge and pop up on the water surface Zoo animals