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Chub, leuciscus cephalus
Photo of Blackhead seabream, a juvenile saltwater fish, against a black background.
honeybee worker leg composite W.M. under light microscope with white background
A fish The three-spined stickleback (Gasterosteus aculeatus) on the background of a 5 mm measurement grid. Ichthyology research.
Goldfish swimming in the water with a black background photographed in Chengdu
Ancistrus Tropical fish, Bristlenose catfish, Cleaner Fish on the glass
Painted Comber, small seabass grouper fish family Serranus Scriba, of Serranidae family from Mediterranean sea on white wood background
Rainbow shark catfish Epalzeorhynchos frenatum aquarium fish isolated on white
Fish skeleton on black background
Computer generated 3D illustration with the prehistoric shark Orthacanthus
Fish Close-Up
Three-spined stickleback, Gasterosteus aculeatus, isolated on white
Colorful Coral Reef Teeming with Exotic Fish. Lively and colorful coral reef in a vibrant underwater world. Diverse array of tropical fish swimming freely in their aquatic environment, creating a mesmerizing scene for nature and animal enthusiasts alike. Cardinalfish.
Gudgeon (Gobio gobio). Wildlife animal.
Goldfish in the aquarium
little  stickleback on white background
The Pajama (Pyjama) cardinalfish, Sphaeramia nematoptera, is a species of fish belonging to the Apogonidae family. Distributed throughout much of the West Pacific, from Java to Fiji, and from the Ryukyu Islands south to the Great Barrier Reef. In Pajama cardinalfish, males incubate the eggs in their mouth until they hatch.
Sunbleak or Belica freshwater fish (Leucaspius delineatus). It has an upward-turned mouth and a short lateral line which extends about seven to ten scales from the gill cover. Wildlife scene of nature in Europe.
Goldfish swimming in the water with a black background photographed in Chengdu
Photo of Striped Dartfish, a juvenile saltwater fish, against a white background.
Photomicrograph of mayfly nymph, Baetis species, with leaflike gills on back. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination.
Java barb (Barbonymus gonionotus), also known as the silver barb.
Trichoptera in Baltic amber, Eocene, approximately 56 - 34 million years ago. Image taken with extreme macro and focus stacking technique.
A Megalechis thoracata fish in black backgorund
Emerita analoga, the Pacific sand crab, Pacific mole crab or coldwater mole crab. These are small animals that burrow in the sand in the wash zone and use their antennae for filter feeding. Pacific mole crab, Emerita analoga, Monterey County, California
Side view Rhone streber, zingel asper, freshwater fish, isolated on white
Whip Coral or Wire Coral Goby Bryaninops yongei occurs in the tropical Indo-Pacific, usually in pairs on Wire Coral Cirripathes anguina in a depth range from 3-45m. The body of this fish species is translucent, so the vertebral column is completely visible. Max. length 3.5cm. Cirripathes anguina is found along current-swept drop-offs or backreefs. Palau, Micronesia, 7°6'14.712 N 134°15'5.928 E at 16m depth
Clown killi banded panchax killifish fish Male Epiplatys annulatus tropical aquarium fish
Malayan bonytongue
Free Images: "bestof:Chaenogaleus macrostoma Day.jpg Hemigaleus balfouri Chaenogaleus macrostoma <small> Bleeker 1852 </small> Fauna of British India Fishes www archive org 1889 Sir"
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