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The perch. The image of a river fish, in a black-and-white variant.
Cleaner fish in an aquarium or a fish tank.
View from above of a trout suspended in a stream.  Small stream in Sequoia National Park, California.
The three-spined stickleback (Gasterosteus aculeatus)
Close up, Otocinclus in aquarium freshwater fish tank.
My home fish tank
Ancistrus Tropical fish, Bristlenose catfish, Cleaner Fish on the glass
One Gobies fish (Gobiiformes )hanging on a fishing hook above the water surface.\nGobiiformes in the family of Percomorpha fish.
brush stroke isolated on white background
Red tailed catfish
Gudgeon alive fresh fish isolated on white
Swell shark, Cephaloscyllium ventriosum, from central California to the Gulf of California
Catfish, pseudacanthicus sp, Adult
Pseudotropheus johannii or the bluegray mbuna. Isolated in black
Catfish swimming on the bed of a river
Latticed Sandperch Parapercis clathrata occurs in the tropical Indo-West Pacific from India and Sri Lanka to Tonga, from the Ryukyu Islands and the Great Barrier Reef to the Marshall Islands and Samoa in a depth range from 3-50m, max. length 24cm. \nThis is a male specimen: only males develop a conspicuous ocellus on each side of the nape. Young are best identified by the patch of small spots on the cheek that usually remains evident in adults. \nTriton Bay, Kaimana Regency, Indonesia, 3°55'0.49S 134° 6'4.85E at 17m depth
Bulgarian spined loach - Cobitis strumicae species of ray-finned fresh water fish in the family Cobitidae. It is found in Bulgaria and Greece.
Underwater Blotched picarel fish deep in sea Sea life Mediterranean sea  Scuba diver point of view of modraka,   tragalja Spicara maena
Fish Of India, Backwater Kerala. Goby fishes (Gobius). Freshwater gobies and fish living in estuaries
Goldfish swimming in the water with a black background photographed in Chengdu
The weatherfish (Misgurnus fossilis) in natural underwater habitat - head detail
The stone loach (Barbatula barbatula) is a European species of fresh water ray-finned fish in the family Nemacheilidae. It is one of nineteen species in the genus Barbatula.
Carp tail close-up isolated on white background
portrait baltic cod isolated on white background
Cute pet fish
Struma stone loach - Oxynoemacheilus bureschi species of ray-finned fish in the stone loach family Nemacheilidae, found in the Struma, Vardar and Nestos river basins Bulgaria, Greece, North Macedonia and Serbia.
Fish swimming in a garden pond photographed from above with selective focus
Ancistrus L159 catfish isolated on white background
Aquarium tropical fish: coridoras julii
Free Images: "bestof:Hisonotus paulinus.jpg en Otocinclus paulinus Hisonotus paulinus pl Hisonotus paulinus File PZSL1907Page0799 png from Proceedings of the Zoological Society of"
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