Onesided livebearer (Jenynsia lineata)

Scientific name: Jenynsia lineata Jenyns, 1842

The Onesided livebearer (Jenynsia lineata) is a freshwater fish of the family Anablepidae. In the aquarium it needs water at 18–23°C (64–73°F). Native range: South America, southern tributaries of the Mirim Lagoon.

Onesided livebearer care at a glance

Temperature: 18–23°C (64–73°F)

Biology

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

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Jenynsia lineata
Family: Anablepidae (Four-eyed fishes, onesided livebearers & white-eye)
Order: Cyprinodontiformes (Live bearers, Killifishes and Rivulines)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 5.5
Environment: Freshwater; benthopelagic
Climate: Subtropical
Distribution: South America: southern tributaries of the Mirim Lagoon.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquarium: commercial
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)