Fin's Fish Guide
The Smallfinger Topminnow (Girardinus microdactylus) is a freshwater fish of the family Poeciliidae that grows up to 3 cm.
Description
The smallfinger livebearer is a small livebearer (Poeciliidae) endemic to Cuba. The species is small; males are smaller than females and have a gonopodium for internal fertilisation. It occurs in pools and along the banks of highland streams, sometimes in swift water, and swims both in midwater and near the bottom. As an omnivore it feeds on algae, small zooplankton, mosquito larvae and detritus. The female bears live young. The species is harmless to humans.
Frequently asked questions
How do you recognise the Smallfinger Topminnow?
The Smallfinger Topminnow has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Endemic ovoviviparous little fish from Cuba; the male has a gonopodium, the female gives birth to live young.
Where does the Smallfinger Topminnow live?
The Smallfinger Topminnow lives in fresh water and is mostly found around mixed bottom. Endemic to Cuba; pools and banks of mountain streams.
How big does the Smallfinger Topminnow get?
The Smallfinger Topminnow grows to a maximum of about 3 cm.
Is the Smallfinger Topminnow dangerous to humans?
No, the Smallfinger Topminnow is harmless to humans. None required: this species is harmless to humans.
Is the Smallfinger Topminnow edible?
The Smallfinger Topminnow is not usually eaten.
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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 Smallfinger Topminnow?
Point your camera at the fish and Fin names the species in seconds. Free, and the Smallfinger Topminnow is one of 12,519 species in the app.