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Jenynsia multidentata

Jenynsia multidentata
Rio de la Plata onesided livebearer (Jenynsia multidentata).
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Anablepidae
Genus: Jenynsia
Species:
J. multidentata
Binomial name
Jenynsia multidentata
(Jenyns, 1842)
Synonyms[1]
  • Lebias multidentata Jenyns, 1842
  • Fitzroyia multidentata (Jenyns, 1842)
  • Poecilia punctata Valenciennes, 1846

Jenynsia multidentata is a species of killifish from the family Anablepidae.[1] It is a viviparous, benthopelagic species in the genus Jenynsia. They are onesided livebearers with a clear asymmetry of the males' genitalia. With onset of maturity, the anal fin of male fish develops into a gonopodium which can be brought forward on one side only.[2] Based on the bending to the left or to the right of the tip of the gonopodium, two morphs of male fish can be distinguished.

  1. ^ a b Froese, Rainer; Pauly, Daniel (eds.). "Jenynsia multidentata". FishBase. August 2019 version.
  2. ^ Bisazza, Angelo; Manfredi, Silvia; Pilastro, Andrea (2000-11-01). "Sexual Competition, Coercive Mating and Mate Assessment in the One-Sided Livebearer, Jenynsia multidentata: Are They Predictive of Sexual Dimorphism?". Ethology. 106 (11): 961–978. Bibcode:2000Ethol.106..961B. doi:10.1046/j.1439-0310.2000.00620.x. ISSN 1439-0310.

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