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The Eurasian ruffe (Gymnocephalus cernua), also known as ruffe or pope, is a freshwater fish, on the background of a 5 mm measurement grid. Ichthyology research.
Closeup of fish spa treatment.
tilapia fish in hand close up HD
A pack of Zebra Cichlids, Zebra tilapias, isolated on black background, close up image
The three-spined stickleback (Gasterosteus aculeatus)
Malawi Eyebiter (Dimidiochromis compressiceps) - Freshwater Fish
Tropical fish pets in domestic fish tank
Photo showing three brightly coloured Malawi cichlids in a large landscaped fish tank. The aquarium has fine coral sand on the base and lots of rocks, to provide hiding and sleeping spaces for the fish. Malawis are known for being 'messy' fish and require a particularly good filtration system. As they are such stunning colours, many people mistake them for saltwater marine fish, although they actually live in tropical freshwater.
Aulonocara cichlid red-shouldered peacock. Aulonocara Hansbaenschi.
Aquarium cichlid fish blue background
Cihlid Fish on blue background
An archer fish is seen from above. He is looking upwards, for prey. His fins are displayed. Black and yellow stripes are on his side. The water is green.
Bluegill fish swimming underwater in the St. Lawrence River
A dream-like soft focused image of fish swimming underwater. These fish are New Zealand Kahawai and also known as Australian Salmon or Australian Herring.
The coral reef fish on white background, isolated .
Close up fish underwater
Pulau Bangka, North Sulawesi, Indonesia
Freshwater Bass on White Background
Black Sea fish ocellated wrasse (Symphodus ocellatus), male fish on a black background, Black Sea
Close-up portrait of a bluegill sunfish (Lepomis macrochirus) swallowing with mouth gaped wide open in the underwater cavern of the sinkhole at Blue Grotto, Florida
Painted Comber, small seabass grouper fish family Serranus Scriba, of Serranidae family from Mediterranean, on light blue background
close up of fish head on white background
Cichlidae
Bass and tilapia underwater
Pseudotropheus johannii or the bluegray mbuna. Isolated in black
A studio photograph of a Pumpkinseed Sunfish, a popular Panfish with sport fisherman and children in North America.
Close up of redear sunfish, Lepomis microlophus, showing the namesake red ear.
Free Images: "bestof:Haplochromis serranus.jpg de Haplochromis serranus 1907-01-01 The fishes of the Nile http //www flickr com/photos/biodivlibrary/6815511930 Boulenger George"
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