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Penguin flying fox - Crossocheilus nigriloba

Penguin flying fox - Crossocheilus nigriloba

Scientific name: Crossocheilus nigriloba

Common name: Penguin flying fox

Family: Cyprinidae

Usual size in fish tanks: 13 - 14 cm (5.12 - 5.51 inch)


Recommended pH range for the species: 6.4 - 7.2

Recommended water hardness (dGH): 5 - 18°N (89.29 - 321.43ppm)

0°C 32°F30°C 86°F

Recommended temperature: 23 - 28 °C (73.4 - 82.4°F)

The way how these fish reproduce: Spawning

Where the species comes from: East Asia

Temperament to its own species: peaceful

Temperament toward other fish species: peaceful

Usual place in the tank: Middle levels

Food and feeding

Penguin flying fox will accept all foods offered but an algae based diet is ideal for them. They will graze on algae but very rarely eat any of the plants in the tank. When mature they seem to favour quality flake, more so than when they are younger.


Asia; Penguin flying fox are to be found in Thailand and Singapore.


Adult females will have a stockier body shape than the males. There are no other visible differences between the sexes.


As of yet there are no reported cases of Crossocheilus nigriloba breeding in the aquarium.


The expected life span for Crossocheilus nigriloba is 5+ years.

Short description

Adult specimens are very aggressive to each other so it is best to keep one in the tank at a time. Although they are classed as a community fish, they are liable to harass other bottom dwellers that are kept. Penguin flying fox are always active and require well oxygenated water.


Bought by from flying fox picture 1 Penguin flying fox picture 2 Penguin flying fox picture 3 Penguin flying fox picture 4 Penguin flying fox picture 5 Penguin flying fox picture 6

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