Kryptolebias brasiliensis (Valenciennes, 1821)
photo by Vermeulen, F.

Family:  Rivulidae (Rivulines), subfamily: Kryptolebiatinae
Max. size:  6 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater; depth range - 0 m, non-migratory
Distribution:  South America: Brazil.
Diagnosis:  Dorsal soft rays (total): 9-10; Anal soft rays: 13-15; Vertebrae: 31-32. Possession of greenish blue bars on the ventrolateral portion of the posterior half of male body side; triangular dark gray suborbital mark; scales in the longitudinal series 31-32; anal fin rays 13-15; and absence of an ocellate spot on the caudal fin base in both sexes (Ref. 52503).
Biology:  Inhabits clear water streams within forest at about 50 cm deep (Ref. 52503). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139).
IUCN Red List Status: Endangered (EN); Date assessed: 07 November 2018 (B1ab(ii,iii,iv)) Ref. (130435)
Threat to humans:  harmless


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