Telescope Goldfish
Carassius auratus

Care Level




Reef Compatible


Plant Safe


Max Size

5" - 8"

Minimum Tank Size

20 gallon





Water Conditions

Neutral (6.2 to 7.8 pH), intermediate water hardness (6 to 18dGH), 65 to 78 degrees Fahrenheit


General: The Fancy Goldfish (Carassius auratus) are an aquarium produced, species of Asian Carp. The majority of Fancy Goldfish will reach a length of eight inches, and live well over fifteen years in captivity. Fancy Goldfish are unique because of the raised scales, and fantail. Goldfish tend to produce a lot of bioload, as they are mostly herbivorous. Therefore, it is best to keep Fancy Goldfish in an aquarium with sufficient filtration. Fancy Goldfish are tolerant of minimally brackish conditions, but should not be kept within an aquarium exceeding a specific gravity of 1.002.

Fecundity: The Fancy Goldfish (Carassius auratus) may produce up to 10,000 eggs per clutch.

Preferred Water Chemistry: Neutral (6.4 to 8.0 pH), intermediate water hardness (6 to 18dGH)

Aquarium Diet (Herbivore): Herbivore Pellet, Spirulina, Goldfish Flake

Dimorphism: The Fancy Goldfish (Carassius auratus) male will display tubercles on the forehead, and operculum. The female will take on a more gravid appearance when ready to reproduce.

Compatibility: The Fancy Goldfish (Carassius auratus) are typically compatible with other peaceful, community fish species such as smaller Tetra, Rasbora, Pencilfish, Molly, and Platy.

Telescope Goldfish Photo Gallery

Telescope Goldfish Videos

Author: Aquatics Unlimited