| Family: |
Poeciliidae (Poeciliids), subfamily: Poeciliinae |
| Max. size: |
2.03 cm SL (male/unsexed); 2.67 cm SL (female) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
North America: Mexico. |
| Diagnosis: |
This species is distinguished from its congeners, except P. monachal, by the presence of type 3 gill rakers on the anterior edge of ceratobranchials 2-4 (vs. type 1b gill rakers along the anterior edge of ceratobranchials 2-4). Differs from members of the Leptorhaphis species group by the following set of characters: inner row of dentary and premaxilla with 7-10 weakly tricuspid teeth; 6 or 7 pores in preopercular portion of preoperculo-mandibular lateral line canal; single ossification of the scleral cartilage (posterior sclerosis). Colouration: horizontal dashed line of 15-17 small dark brown spots extending along the posterior two-thirds of the body; no black spot at the base of the anterior part of the dorsal fin (Ref. 128004). |
| Biology: |
This species has highly restricted distribution, prefers spring-fed pools and marshy areas, with still-water or relatively slow current (Ref. 128004). |
| IUCN Red List Status: |
Endangered (EN); Date assessed: 27 November 2019 (B1ab(ii,iii,v)+2ab(ii,iii,v)) Ref. (130435)
|
| Threat to humans: |
harmless |
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