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Physid snail (Physidae) with a small planarian in an aquarium.
Vernal pool tadpole shrimp or Tadpole Shrimp, Lepidurus parkardi, Jepson Prairie Preserve, California, found in Vernal Pools
Amphibians, namely golden snails that are in a rock and lay eggs
Red Tilapia fish swimming in a pond
Close-up of a pointed mud snail in the water of a garden pond, Germany
Chinese mystery snail, black snail, or trapdoor snail (Cipangopaludina chinensis) - floating on the surface of the river along the riverbank in a public park\n\nInvasive species - Ontario Canada\n\nLocation\nVictoria Lake, Stratford ON CA
Showing fire-headed Cichlid fish (cichlasoma synspilum, vieja synspilum) in aquarium
Bream ( Abramis brama ) on a white background . Adult female before spawning . Weight of fish - 2130 grams. Place catch - Oka River , Irkutsk region . Harvest date - 14/06/2016
Fish sold in the fishing market
Closeup detail of freshwater aquatic snail at surface of water breathing through snorkel tube
surface and below  fishtank view with a group of sea fish
Freshwater bream fish isolated on natural underwater background
Hexagrammos lagocephalus is a colorful marine fish with the common name rock greenling in the greenling family.
Freshwater snail shells in a lake
Goldfish in the aquarium
Group of periwinkles near a rockpool
The Spanish dancer, scientific name Hexabranchus sanguineus (literally meaning \
Lined top shells on a rock, also called Phorcus lineatus
Freshly hatched trout still with yolk sac attached.
Jumbo snails in the rice field
Latimeria chalummae smith, Produced in the Comoros, East africa. The world's oldest surviving vertebrate, known as the \
Snails can be found in a variety of different environments
Worm in  tank
Snail on a green leaf in the water, closeup of photo
A carnivorous freshwater fish that inhabit clear, vegetated lakes, ponds, swamps, and rivers.
Beautiful Firehead Cichlid (Cichlasoma Synspilum, Vieja Synspilum) in aquarium with big head.
A studio photograph of a Pumpkinseed Sunfish, a popular Panfish with sport fisherman and children in North America.
large tinfoil barbs in tropical fish tank / aquarium
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