Scientific Name
Girardinus microdactylus

Common Name
Smallfinger topminnow

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.

Classification

Classified By

Rivas, 1944

Class

Ray-finned fishes (Actinopterygii)

Order

Live bearers, Killifishes and Rivulines (Cyprinodontiformes)

Family

Poeciliids (Poeciliidae)

Distribution

Region

Central America

Distribution

Central America: Cuba.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

22 °C

Water Temperature To

26 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; ; dH range: 10 - 25 benthopelagic; non-migratory

Trophic Level

2.26 s.e. 0.16 Based on food items.

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

3.3 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5078 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (25 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated