Profundulus mixtlanensis Ornelas-García, Martínez-Ramírez & Doadrio, 2015
Profundulus mixtlanensis
photo by Ortiz Cruz, V.M.

Family:  Profundulidae (Middle American killifishes)
Max. size:  6.691 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Central America: Oaxaca, Mexico in the following river systems: Colorado River, Atoyaquillo River, the Atoyac river basin, and the Mixteco river basin.
Diagnosis:  Dorsal soft rays (total): 10-13; Anal soft rays: 12-21. Profundulus mixtlanensis can be diagnosed from other congeners by the following characters: a pronounced lower jaw; 30-35 lateral scales; lack dark body spotting on the posterior half of the body caused by melanization of the base of the scales; in lateral view, dorsal profile of the head shows a concavity just above the supra-occipital crest, which quickly reaches a flat profile posteriorly, an attribute that becomes more pronounced with age; body height <2/3 of SL; pre-pectoral distance <1/3 of SL; distance between ventral and anal fins 15% of SL; caudal peduncle depth 13% of SL; post-anal length 15% of SL; head length 26-28% of SL; preorbital length 26-30% of HL; eye diameter 26-28% of SL; anal-fin length 16-17% of SL; 30-35 lateral scales; 12-21 anal-fin rays; 14-17 pectoral-fin rays (Ref. 106146).
Biology:  Occurs in springs at altitudes between 710 and 2,300, but mostly above 2000 m (Ref. 106146).
IUCN Red List Status: Near Threatened (NT); Date assessed: 11 September 2018 (B1b(iii)) Ref. (124695)
Threat to humans:  harmless
Country info:   
 

Entered by: Torres, Armi G. - 10.12.16
Modified by: Bailly, Nicolas - 13.12.20

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