Acrolebias carvalhoi (Myers, 1947)

Family:  Rivulidae (Rivulines), subfamily: Cynolebiinae
Max. size:  3.73 cm SL (male/unsexed); 3.81 cm SL (female)
Environment:  benthopelagic; freshwater, non-migratory
Distribution:  South America: Paraná River basin.
Diagnosis:  Dorsal soft rays (total): 16-22; Anal soft rays: 16-22. Can be distinguished from all its congeners by the following combination of characters: dorsal-fin origin in front of anal-fin origin, both dorsal fin and anal fin with 21 rays in males, 17-18 in females, and sides of body of males pale golden with transverse brownish-purple bars (Ref. 51692).
Biology:  Bottom spawner, ? months incubation (Ref. 27139).
IUCN Red List Status: Critically Endangered (CR); Date assessed: 07 November 2018 (B2ab(iii)) Ref. (130435)
Threat to humans:  harmless


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