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Eye level with a Lemon Shark (Negaprion brevirostris). Blue sea behind & shadow on the sea floor. Ramora (suckerfish) in attendance.
Frontal view of catfish
Zebra shark, Stegostoma fasciatum, also called the leopard shark, is a species of carpet shark and is found throughout the tropical Indo-Pacific.
A carnivorous freshwater fish that inhabit clear, vegetated lakes, ponds, swamps, and rivers.
Yellow Spotted gar fish lies on sandy bottom.
Swimming slowly, a large white sturgeon and salmon cruise the water in the Bonneville Fish Hatchery and Sturgeon Center along Oregon’s Columbia River.
Fish bred in captivity to extract caviar and other products in Loja, Spain.
Red tailed catfish
Atlantic cod (Gadus morhua). Marine fish.
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.
Arapaima Sudis gigas, also known as the pirarucu. Wildlife animal
Pacific herring swimming in the aquarium
flathead catfish, Pylodictis olivaris, on bottom of Mississippi River
an eel searches for food on the Los Llanos region of Colombia
Sturgeon fish isolated on white background
Underwater image of Nurse shark in the blue ocean of Bimini, The Bahamas
Alive sturgeon in aquarium
Chiton, Tripoplax regularis. on a rock at Salt Point State Park in Sonoma County, California.
Pleco catfish albino Bristle-nose pleco gold Ancistrus dolichopterus Plecostomus aquarium fish.
The dugong is a medium-sized marine mammal. It is one of four living species of the order Sirenia, which also includes three species of manatees. It is the only living representative of the once-diverse family Dugongidae; its closest modern relative, Steller's sea cow (Hydrodamalis gigas), was hunted to extinction in the 18th century. The dugong is the only strictly marine herbivorous mammal, as all species of manatee use fresh water to some degree.
Atlantic Cod -  Gadus morhua
Close-up of a large beluga sturgeon in a lake during the migration season. This type of fish is known for the highest quality caviar.
Close-up view of a Silver arowana (Osteoglossum bicirrhosum)
sturgeoniat
A collection of animals, fish, insects that lived during the Carboniferous Period.
Swell shark, Cephaloscyllium ventriosum, from central California to the Gulf of California
Female and Male (on background) of Great Crested Newt (Triturus cristatus). Male's skin color and crest is typical for breeding time.
Close up of large Great White Shark swimming past side on view. Photographed in South Australia while cage diving.
Freshwater fish kaluga ( Huso dauricus ) in the aquarium. Amur river endemic.
Canary rockfish, Sebastes pinniger, is a rockfish of the Pacific coast, aquarium, Seward, Alaska
Free Images: "bestof:Crotalus horridus cdc.jpg Crotalus_horridus picture taken fom the Image Library ode the US-CDC http //phil cdc gov/Phil/home asp Fotograph Edward J Wozniak 2005"
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