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Goldfish swimming in the water with a black background photographed in Chengdu
Larval stage spotfin flounder photographed at night in the open ocean during a blackwater night dive.
A Megalechis thoracata fish in black backgorund
Photo of Tripletail, a juvenile saltwater fish, against a black background.
Photomicrograph of mayfly nymph, Baetis species, with leaflike gills on back. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination.
An illustration of Silurian period seafloor scene 418 million years ago. Pictured are Caryocrinites, Crinoids, Coelacanth, Eurypterids, Rugosa, & Trilobites.
In Japan squids are kept in aquarium at the restaurant so they can be eaten really fresh and most of the times raw.
A Bluefin gurnard fish (Chelidonichthys kumu) displaying colourful pectoral fins with a large black eye spot in the centre
honeybee worker leg composite W.M. under light microscope with white background
Polypterus endlicheri, a species of freshwater fish in the bichir family (Polypteridae) of order Polypteriformes
Lepidurus packardi, the vernal pool tadpole shrimp, is a small, rare species of tadpole shrimp (Notostraca) found in temporary ponds of the western United States. Branchiopoda. Jepson Prairie Preserve, California.
Beautiful crab shell isolated on white background
Closeup mysis stage of Vannamei shrimp in light microscope, Shrimp larvae under a microscope.
Monotomidae, Coleoptera Fossil in Burmese amber of Cenomanian era, 100 million years ago, from the state of Myanmar, extreme macro shot
The Fairy Shrimp (Branchipus schaefferi) captured close up with black and brown background. A little beautiful white crustacean swimming upside-down in the water.
Close-up of Salmon bones along the frozen river at Goldstream Provincial Park.
An illustration of the extinct Eurypterids Kokomopterus (sea scorpions) scavenging a dead trilobite on a murky lake bottom 418 million years ago.
Antarctic krill, Euphausia superba,  is a species of krill found in the Antarctic waters of the Southern Ocean.  They are a key species in the Antarctic ecosystem.
Diamond squid photographed at night during a blackwater drift dive a few miles off the coast of Palm Beach, Florida.
Microscopic image of a copepod. Gets it common name cyclops from the single red eyespot. Salt marsh, San Francisco Bay, California, USA. Live specimen. Wet mount, 10X, transmitted brightfield illumination.
Silverfish (Lepisma saccharina), adult. Isolated on a black background. Visible underside of the body.
Shrimp in aquarium
Deformed killifish
View of a fish in indoor aquarium.
Polypterus endlicheri, a species of freshwater fish in the bichir family (Polypteridae) of order Polypteriformes
Vernal pool tadpole shrimp or Tadpole Shrimp, Lepidurus parkardi, Jepson Prairie Preserve, California, found in Vernal Pools
Pyrosome with a fish hiding inside of it
Great Silver Water Beetle (Hydrophilus piceus)
Free Images: "bestof:Cryodraco atkinsoni.jpg Cryodraco atkinsoni http //www archive org/details/fishes00rega Fishes GM Woodward 1914 PD-old Cryodraco atkinsoni"
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