Scientific Name
Jenynsia lineata

Common Name
Onesided livebearer

Biology
Occurs in shallow water. Viviparous (Ref. 26130), found along with the livebearing Cnesterodon decemmaculatus in waters with heavy algal growth. Genital opening in the female asymmetrical.

Classification

Classified By

Jenyns, 1842

Class

Ray-finned fishes (Actinopterygii)

Order

Live bearers, Killifishes and Rivulines (Cyprinodontiformes)

Family

Four-eyed fishes, onesided livebearers & white-eye (Anablepidae)

Distribution

Region

South America

Distribution

South America: southern tributaries of the Mirim Lagoon.

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

18 °C

Water Temperature To

23 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; benthopelagic

Trophic Level

2.92 s.e. 0.35 Based on size and trophs of closest relatives

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

5.5 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5001 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Aquarium: commercial

Vulnerability

Moderate vulnerability (36 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Fec=10-60; gestation usually lasts 6 weeks; tm=1; K=1.04-2.46)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated