Description

Dorsal spines (total): 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.

Common Names

Taxonomic Hierarchy

Kingdom: Animalia

Phylum: Chordata

Class: Teleostei

Order: Cyprinodontiformes

Family: Anablepidae

Genus: Jenynsia

Species: Jenynsia weitzmani Ghedotti, Meisner & Lucinda, 2001

Climate Zone

Biology

Commonly found in upland rivers. Viviparous (Ref. 45800).

Habitat

benthopelagic

Conservation Status

Least Concern

Threat to Humans

Harmless