The Falx betta (Betta falx) is a freshwater fish of the family Osphronemidae that grows up to 4 cm.
Description
The Falx betta is a small labyrinth fish (Osphronemidae) from fresh water of Sumatra in Southeast Asia. The species grows to about 3.5 cm and has a slender body; thanks to a labyrinth organ it can gulp air in the oxygen-poor, often soft and acidic water of forest streams and swamps. The male broods the eggs in his mouth. It eats small invertebrates, insects and larvae. The fish is harmless to humans and is popular in the aquarium trade.
Frequently asked questions
How do you recognise the Falx betta?
The Falx betta has a torpedo-shaped body and is mainly brown.
Where does the Falx betta live?
The Falx betta lives in fresh water and is mostly found around mixed bottom.
How big does the Falx betta get?
The Falx betta grows to a maximum of about 4 cm.
Is the Falx betta dangerous to humans?
No, the Falx betta is harmless to humans.
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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
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