Jenynsia
weitzmani
Ghedotti, Meisner & Lucinda, 2001
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Family:
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Anablepidae
(Four-eyed fishes, onesided livebearers & white-eye), subfamily: Jenynsiinae
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Google Image (not verified) Go to ccfishery.net
May show another species!
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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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Max. size:
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4.3 cm SL (male/unsexed; Ref. 45800); 7.02 cm SL (female) |
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Environment: |
benthopelagic; freshwater
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Climate: |
subtropical |
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Importance:
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Resilience: |
High, minimum population doubling time less than 15 months(Preliminary K or Fecundity.)
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Distribution:
Go to ccfishery.net
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South America: currently known only from its type locality in eastern Santa Catarina State, an unnamed tributary of the rio Pinheiros in the upper rio Tubarão drainage near Anitápolis, Brazil (Ref. 45800).
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Morphology:
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Dorsal
spines
(total): 0 - 0;
Dorsal
soft rays
(total): 10 - 11;
Anal
spines: 0;
Anal
soft rays: 9;
Vertebrae: 33. Possess a tubular gonopodium with shortened second, fourth and fifth anal fin rays, an enlarged seventh middle anal fin radial in males and females, and an elongate dorsoposterior process of the lacrimal. Branchiostegal rays: 5. Distinguished from other Plesiojenynsia by the following combination of characters: a single midlateral stripe without associated dorsolateral or ventrolateral stripes or blotches in adults; a terminal to slightly oblique mouth; fewer than 13 gillrakers; and absence of the first mandibular-canal pore.
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Biology: |
Commonly found in upland rivers. Viviparous (Ref. 45800).
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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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