Telescope Goldfish Care & Species Profile

Telescope goldfish swimming in a home aquarium

The telescope goldfish is a freshwater fish species that can also tolerate brackish water. They are known scientifically as Carassius auratus and closely resemble the common goldfish. These fish have large protruding eyes that extend out of the fish’s head. Young telescope goldfish are black or brown in color and only turn red, white, or orange once the fish reach full maturity. Juvenile fish are a dark color to offer them protection and camouflage against potential predators. Aquarists looking for quirky-looking fish with a calm personality will benefit from introducing the telescope goldfish into a freshwater tank. They are suitable …

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