IUCN threat status:

Near Threatened (NT)

Comprehensive Description

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Description

  Common names: toothcarp (English), livebearer (English), olomina (Espanol), guatopote (Espanol)
 
Poeciliopsis latidens (Garman, 1895)


Lowland livebearer,     Broad-toothed toothcarp



Moderately elongate, compressed; head small, flattened above, snout short, blunt, rounded; eye large, longer than snout; mouth rather wide; outer jaw teeth chisel shaped, hooked and strong, inner teeth in bands, commonly expanded near tip; dorsal I, 7; anal II, 8; tail rounded to straight; pelvic rays 7 & 8 distorted, converging or in contact at midlength; male sex organ a tube on left side formed by folded (but not twisted) anal fin rays, long (reaches to or nearly to the base of the tail fin) and slender; scales large, smooth, 28-30 along mid-side.



Yellow brown, darker on back; opercle and belly silvery; a series of 7-12 (5-14) short black bars and spots along the upper flank, 1-2 of those bars reaching to or nearly to top of back; sometimes round dark spots on lower body; a dark line along underside of tail base from anal fin to tail fin; base of dorsal and tail fins yellowish, rest of fins clear.


Size: grows to 5 cm in both sexes.

Habitat: freshwater streams and brackish lagoons

Depth: 0-2 m.

Eastern Gulf of California – Sonora to Nayarit.
   

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© Shorefishes of the tropical eastern Pacific online information system. www.stri.org/sftep

Source: Shorefishes of the Tropical Eastern Pacific Online Information System

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