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Elephant-ear gourami
Osphronemus exodon
Large adults develop external lip teeth.
Large adults develop external lip teeth; light and dark body patches vary individually.
- Adult length
- Up to 60 cm (standard length, without the tail fin)
- Water temperature
- 20–30 °C
- Natural habitat
- Inhabits pools in large rivers, entering flooded forest and floodplains in the wet season and returning to permanent waters as levels fall.
Powerful filtration and stable clean water matter.
Appearance and identification
Keep surface access open for labyrinth-assisted air breathing.
Social behaviour and territory
Isolate and observe newcomers.
Compatibility limits
A specialist giant; juveniles fight each other, so plan beyond juvenile size.
Space requirements
About 300 × 120 × 120 cm as a lower bound.
Aquarium environment
Plant feeding makes planted displays vulnerable. Keep surface access clear.
Diet and feeding
Emphasise plant foods with suitable pellets; aquarium plants alone are not enough.
Similar and related fish
