Scientific Name
Cubanichthys pengelleyi

Common Name
Jamaican killifish

Biology
Inhabits shallow (1.5 m), crystal clear waters (pH 8.2) with a bottom of sand and some soft patches of silt. Hides among submerged and floating aquatic vegetation. Feeds on damselfly and dragonfly nymphs, other aquatic larvae, ostracods, copepods and snails. Eggs measure 1.2-1.4 mm in diameter and hatch in about 9 days (Ref. 13498). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139).

Classification

Classified By

Fowler, 1939

Class

Ray-finned fishes (Actinopterygii)

Order

Live bearers, Killifishes and Rivulines (Cyprinodontiformes)

Family

Pupfishes (Cyprinodontidae)

Distribution

Region

Central America

Distribution

Central America: Jamaica.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

24 °C

Water Temperature To

26 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Freshwater; ; pH range: 7.2 - 8.0; dH range: 6 - 15 demersal

Trophic Level

3.27 s.e. 0.46 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

True

Physical Size and Genetics

Maximum Length

6.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Aquarium: commercial

Vulnerability

Low to moderate vulnerability (32 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated