Jenynsia
lineata
(Jenyns, 1842)
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Family:
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Anablepidae
(Four-eyed fishes, onesided livebearers & white-eye), subfamily: Jenynsiinae
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Order:
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Cyprinodontiformes
(rivulines, killifishes and live bearers)
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Class:
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Actinopterygii (ray-finned fishes)
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In this site name:
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Onesided livebearer |
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Max. size:
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4.0 cm TL (male/unsexed; Ref. 2060); 10 cm TL (female) |
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Environment: |
benthopelagic; freshwater
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Climate: |
subtropical; 18 – 23°C |
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Importance:
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aquarium: commercial |
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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) |
Distribution:
saved form ccfishery.net
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South America: Central Uruguay.
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Morphology:
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Dorsal
spines
(total): 0 - 0;
Dorsal
soft rays
(total): 9 - 9;
Anal
spines: 0;
Anal
soft rays: 9. Fins colorless. The ground color of the body is olive gray and the flanks show six to eight dark, fine lines or dotted longitudinal stripes; the underside is light. Males are significantly more slender and smaller than females. Both sexes exhibit almost the same coloration. Unfertilized females have an orange-colored spot on the anal fin, situated either on the right or the left (Ref. 26130).
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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.
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Red List Status: |
Not in IUCN Red List (Ref. 57073)
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Dangerous:
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harmless
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Coordinator: |
Ghedotti, Michael J.
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