Smallfinger topminnow (Girardinus microdactylus)

Scientific name: Girardinus microdactylus Rivas, 1944

The Smallfinger topminnow (Girardinus microdactylus) is a freshwater fish of the family Poeciliidae. In the aquarium it needs water at 22–26°C (72–79°F). Native range: Central America, Cuba.

Smallfinger topminnow care at a glance

Temperature
22–26°C (72–79°F)

Biology

Found in pools and along banks, occasionally in swift water, in highland streams. A midwater and bottom swimmer, occasionally at or near the surface. Sensitive to high chlorine content and warm, turbid, poorly oxygenated, stagnant water. Feeds on diatoms, algae, detritus and insect larvae.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Girardinus microdactylus
Family
Poeciliidae (Poeciliids)
Order
Cyprinodontiformes (Live bearers, Killifishes and Rivulines)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
3.3
Environment
Freshwater;; dH range: 10 - 25 benthopelagic; non-migratory
Climate
Tropical
Distribution
Central America: Cuba.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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