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great barracuda opens mouth and devours a fish while a scuba diver sits on the reef below
Zebra shark, Stegostoma fasciatum, also called the leopard shark, is a species of carpet shark and is found throughout the tropical Indo-Pacific.
Two thresher shark in Malapascua Island. Philippines
Close-up of gannet perching outdoors,Bempton Cliffs,United Kingdom,UK
Large white fish is swimming in a dark cave. The fish is surrounded by rocks and plants. Scene is mysterious and calm. Big fish gracefully swimming in aquarium water
Great White Shark lurking beneath the surface with sun rays and school of fish in foreground
A carnivorous freshwater fish that inhabit clear, vegetated lakes, ponds, swamps, and rivers.
Eye level with a Lemon Shark (Negaprion brevirostris). Blue sea behind & shadow on the sea floor. Ramora (suckerfish) in attendance.
Xenacanthus from the Triassic era 3D illustration
Swimming Asian water monitor in Lumphini Park, which is a large public park in the center of Bangkok the capital of Thailand
Polypterus delhezi, a species of freshwater fish swimming in the aquarium.
The Arctic grayling (Thymallus arcticus) is a species of freshwater fish in the salmon family Salmonidae. T. arcticus is widespread throughout the Arctic and Pacific drainages in Canada, Alaska, and Siberia, as well as the upper Missouri River drainage in Montana.  Wyoming.
A large sturgeon floats under water and looks into the chamber
Side view of large Great White Shark swimming past in bright clear blue water. Photographed in South Australia while cage diving.
A Close Up of a Grey Nurse Shark
Pacific herring swimming in the aquarium
Freshwater fish kaluga ( Huso dauricus ) in the aquarium. Amur river endemic.
Tiny dragonfly (Zygoptera) perched on a leaf
Grey Nurse Shark (Sand Tiger Shark or Rugged Tooth Shark) surrounded by a school of commensal fish. Photo taken at Flat Rock, North Stradbroke Island, Australia.
On the ocean floor of the Indo-Pacific Ocean
Silver arowana fish (Osteoglossum Bicirhossum) underwater. Side view.
Low angle view of hammerhead shark swimming in the ocean.
Beluga large aquarium. Fish of the sturgeon family, one of the largest freshwater predators. Beluga has valuable white dense meat. Female beluga spawn black eggs.
Close up of Great White Shark swimming beneath the surface
Ptereleotris evides, the Blackfin dartfish, occurs in outer reef slopes, also inhabits lagoons and bays. Usually in pairs as adults and in small aggregations as juveniles. High quality photo
White shark fish close-up taken through the glass of aquarium.
shovelnose sturgeon, Scaphirhynchus platorynchus, aquarium image
Red tailed catfish
Large oceanic white-tip shark Carcharhinus longimanus under water in the open ocean
Swimming Asian water monitor in Lumphini Park, which is a large public park in the center of Bangkok the capital of Thailand
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