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A curious China rockfish swimming around an aquarium.
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.
Philippines PG Island - Close-up of underwater creatures
Tropical fish pets in domestic fish tank
Sammara squirrelfish (Neoniphon sammara), Zanzibar, Tanzania
School of blue Chromis Viridis saltwater fish.
Beautiful underwater scenery in aquarium with blue fish. Tropical underwater life.
Sammara squirrelfish swimming
Red Squirrel in the island Mucura,Colombia
Underwater Sea Life Blue Water Fish
Blue chromis on coral reef off the tropical island of Bonaire in the Caribbean Netherlands.
Cichlidae
Juvenile Yaeyama Blenny in Miyakojima island.
Tropical fish pets in domestic fish tank
A tiny baby frogfish hunting on the seabed. Underwater macro world of Tulamben, Bali, Indonesia.
Underwater Blotched picarel fish deep in sea Sea life Mediterranean sea  Scuba diver point of view of modraka,   tragalja Spicara maena
Salema porgy fish (Sarpa salpa).
Pacific herring swimming in the aquarium
Bright beautiful ocean fish in the blue water of the sea on the background of coral
The three-spined stickleback (Gasterosteus aculeatus)
Squirrels in the Squirrel Village
detail of an anteater
Beautiful fish are fish raised in a tank.
Little fishes swimming in aquarium.
The bala shark fish in the Zoo aquarium. The bala shark also known as the tricolor shark, tricolor sharkminnow, silver shark, or shark minnow, is a fish of the family Cyprinidae.
Canary rockfish, Sebastes pinniger, is a rockfish of the Pacific coast, aquarium, Seward, Alaska
Cardinal fish (Apogon imberbis)in Mediterranean sea
Dwarf cichlid male of Apistogramma Panduro
Great lumpfish at the north atlantic. Cyclopterus lumpus
Pseudotropheus johannii or the bluegray mbuna. Isolated in black
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