Parambassis ranga

Parambassis ranga

Indian glassy fish, Indian glassy perch, Indian x-ray fish

Parambassis ranga
g oz 
cm inch 

Parambassis ranga, commonly known as the Indian glassy fish, Indian glassy perch, or Indian X-ray fish, is a species of freshwater fish in the Asiatic glassfish family Ambassidae of order Perciformes. It is native to an area of South Asia from Pakistan to Vietnam, Malaysia and Bangladesh.

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The Indian glassy fish has an extraordinarily transparent body, revealing its bones and internal organs; the male develops a dark edge to the dorsal fin. The fish grows to a maximum overall length of 80 mm (3.1 in).

It occurs in standing water, especially in impoundments, and it breeds prolifically during the rainy season. The species feeds on crustaceans, annelid worms, and other invertebrates. It is, in turn, prey for larger fish, including snakeheads (family Channidae).

The Indian glassy fish is not important as a food fish for humans, but is very common in the aquarium trade.

Formerly classified as Chanda ranga, the species is also known as the Indian glassfish, Indian glass perch, and Siamese glassfish.

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Habits and Lifestyle


Diet and Nutrition


In captivity

Glassfish have been kept in aquarium for many years, but have a reputation for being delicate and difficult to keep. This may be related to a persistent myth that these fish need brackish water. In the wild, they more commonly inhabit fresh water, and in captivity do well in slightly soft to moderately hard dGH 7–19, slightly acidic to slightly alkaline water pH 6.5–7.5. They can tolerate a temperature range of 20–30 °C (68–86 °F).

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These fish swim at the middle and lower levels of the tank, and will take most small live and frozen foods. In general, they tend not to eat dried foods (such as flake).The fish reproduce by laying the eggs (females) and then the males fertilize the eggs.

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1. Parambassis ranga Wikipedia article -
2. Parambassis ranga on The IUCN Red List site -

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