Fin's Fish Guide
The Java combtail (Belontia hasselti) is a freshwater fish of the family Osphronemidae that grows up to 20 cm.
Description
The Java combtail is a labyrinth fish (Osphronemidae) from Southeast Asia. The species reaches about 20 cm and has a deep, brown-red body with comb-like, thread-like extensions on the caudal and dorsal fins, to which the name refers. It mainly inhabits black, acidic peat-swamp water in Sundaland. As a labyrinth fish it can gulp air at the surface with an accessory organ, an adaptation to oxygen-poor water. It is an omnivore eating insects, small invertebrates and plant matter. For reproduction the male builds a bubble nest that it guards. The species is eaten locally.
Frequently asked questions
How do you recognise the Java combtail?
The Java combtail has a torpedo-shaped body, is mainly brown and shows a plain pattern. Air-breathing labyrinth fish that builds a bubble nest; comb-like projections on the fins.
Where does the Java combtail live?
The Java combtail lives in fresh water and is mostly found around mixed bottom. Southeast Asia, in peat swamp water of Sundaland.
How big does the Java combtail get?
The Java combtail grows to a maximum of about 20 cm. On average the species is around 14 cm.
Is the Java combtail dangerous to humans?
No, the Java combtail is harmless to humans. None required: this species is harmless to humans.
Is the Java combtail edible?
Yes, the Java combtail is commonly eaten.
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More from the family Osphronemidae
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