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Jenynsia lineata  (Jenyns, 1842)

Onesided livebearer
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Native range | All suitable habitat
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Jenynsia lineata   AquaMaps   Data sources: GBIF OBIS
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Image of Jenynsia lineata (Onesided livebearer)
Jenynsia lineata
Picture by Hawkins, B. Waterhouse

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Cyprinodontiformes (Rivulines, killifishes and live bearers) > Anablepidae (Four-eyed fishes, onesided livebearers & white-eye) > Anablepinae

Environment / Climate / Range Ecology

Freshwater; benthopelagic.   Subtropical; 18°C - 23°C (Ref. 2060)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: southern tributaries of the Mirim Lagoon.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 4 - 4 cm
Max length : 5.5 cm SL male/unsexed; (Ref. 80013)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 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).

Biology     Glossary (e.g. epibenthic)

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.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Gestation period usually lasts six weeks. Produces 10 to 20 (rarely up to 40) young.

Main reference Upload your references | References | Coordinator : Ghedotti, Michael J. | Collaborators

Ghedotti, M.J., 1998. Phylogeny and classification of the Anablepidae (Teleostei: Cyprinodontiformes). p. 560-582. In L.R. Malabarba, R.E. Reis, R.P. Vari, Z.M.S. Lucena and C.A.S. Lucena (eds.) Phylogeny and classification of neotropical fishes. Porto Alegre, Edipurcs, 603p. (Ref. 33161)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00620 - 0.02557), b=3.08 (2.90 - 3.26), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic Level (Ref. 69278):  2.9   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  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).
Prior r = 0.32, 2 SD range = 0.06 - 1.61, log(r) = -1.14, SD log(r) = 0.81, Based on: 1 K, 1 tgen, 2 Fec records
Vulnerability (Ref. 59153):  Low vulnerability (13 of 100) .