Fin's Fish Guide
The Goldbelly Topminnow (Girardinus falcatus) is a freshwater fish of the family Poeciliidae that grows up to 4 cm.
Description
The goldbelly topminnow is a small livebearing toothcarp of the family Poeciliidae from Cuba. The species grows to about 4 to 6 cm; females are larger than the males, which have a sickle-shaped gonopodium, to which the species name refers. It inhabits ponds, lakes and lowland streams, usually in shallow, clear water. As an omnivore it feeds on algae, small zooplankton, insect larvae and detritus; it also eats mosquito larvae. Like other livebearers the female gives birth to live young after internal fertilisation. The species is a popular aquarium fish and is harmless to humans.
Frequently asked questions
How do you recognise the Goldbelly Topminnow?
The Goldbelly Topminnow has a torpedo-shaped body, is mainly yellow-gold and shows a plain pattern. Ovoviviparous; males with a sickle-shaped gonopodium, also eats midge larvae.
Where does the Goldbelly Topminnow live?
The Goldbelly Topminnow lives in fresh water and is mostly found around sand or mud bottom. Cuba; ponds, lakes and lowland streams with shallow, clear water.
How big does the Goldbelly Topminnow get?
The Goldbelly Topminnow grows to a maximum of about 4 cm.
Is the Goldbelly Topminnow dangerous to humans?
No, the Goldbelly Topminnow is harmless to humans. None required: this species is harmless to humans.
Is the Goldbelly Topminnow edible?
The Goldbelly Topminnow is not usually eaten.
More photos
Want the complete picture on the Goldbelly Topminnow?
Point your camera at the fish and Fin names the species in seconds. Free, and the Goldbelly Topminnow is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Girardinus
More from the family Poeciliidae
Want the complete picture on the Goldbelly Topminnow?
Point your camera at the fish and Fin names the species in seconds. Free, and the Goldbelly Topminnow is one of 12,519 species in the app.