Skiffia bilineata (Bean, 1887)
Twoline skiffia
Tiro de dos rayas,  Twoline skiffia
Skiffia bilineata
photo by Germeau, G./ Doumont, Y.

Family:  Goodeidae (Splitfins), subfamily: Goodeinae
Max. size:  4 cm TL (male/unsexed); 6 cm TL (female)
Environment:  demersal; freshwater; pH range: 7 - 7.5; dH range: 20
Distribution:  North America: Rio Lerma basin, Rio Grande de Santiago, Nayarit, Mexico.
Diagnosis:   
Biology: 
IUCN Red List Status: Endangered (EN); Date assessed: 07 March 2018 (A2ac; B1ab(i,ii,iii,iv)+2ab(i,ii,iii,iv)) Ref. (130435)
Threat to humans:  harmless
Country info:  Found in Rio Grande de Santiago, Nayarit. Abundance declining, threatened in the 1990s (Ref. 27639). Status of threat: endangered. Criteria: 1,4,5 (http://fisc.er.usgs.gov/afs/) (Ref. 81264).


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