The Slender betta (Betta bellica) is a freshwater fish of the family Osphronemidae that grows up to 10 cm.
Description
The slender betta is a labyrinth fish from peat swamps and swamp forests of Malaysia and Indonesia in Southeast Asia. The species grows to about 10 cm and has a slender, elongate body with greenish iridescent scales. As a labyrinth fish it can gulp air at the surface and so tolerate oxygen-poor water. The male builds a bubble nest in which the eggs are reared. The fish is harmless to humans, popular in the aquarium trade and assessed as Least Concern (LC) by the IUCN.
Frequently asked questions
How do you recognise the Slender betta?
The Slender betta has a torpedo-shaped body, is mainly green and shows a plain pattern. Labyrinth organ for air breathing; the male builds a bubble nest
Where does the Slender betta live?
The Slender betta lives in fresh water and is mostly found around mixed bottom. Southeast Asia
How big does the Slender betta get?
The Slender betta grows to a maximum of about 10 cm.
Is the Slender betta dangerous to humans?
No, the Slender betta is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Is the Slender betta edible?
The Slender betta is not usually eaten.

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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Betta
More from the family Osphronemidae

Want the complete picture on the Slender betta?
Point your camera at the fish and Fin names the species in seconds. Free, and the Slender betta is one of 12,519 species in the app.