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Goldbelly topminnow
Girardinus falcatus
Silvery-gold fish with reticulated scales and bright eyes; the male has a pale underside.
Silvery-gold fish show reticulated scales and bright eyes; the male has a pale underside, unlike the solid dark underside of the black-chin form.
- Adult length
- Up to 3.7 cm (standard length, without the tail fin)
- Water temperature
- 24–30 °C
- Natural habitat
- Inhabits lowland ponds, lakes and streams, favouring still water over mud with abundant aquatic plants.
Appearance and identification
Look first at the bright eye and reticulated scales, then the male's long gonopodium. The male has a pale underside, contrasting with the continuous dark underside of a black-chin G. metallicus male.
Same-species behaviour
Active in a group; prefers a relatively dim, quiet setting.
Space requirements
Provide a dim, quiet setting and avoid rough tankmates.
Compatibility limits
Peaceful but somewhat sensitive; avoid rough or quarrelsome companions.
Aquarium environment
Keep the aquarium relatively dim.
Similar and related fish
