Cynolebias porosus
Cynolebias porosus Steindachner, 1876
Cynolebias porosus
photo by Valdesalici, S.


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Family:  Rivulidae (Rivulines), subfamily: Cynolebiinae
Max. size:  15 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater, non-migratory
Distribution:  South America: São Francisco river floodplain in Brazil.
Diagnosis:  Dorsal soft rays (total): 14-18; Anal soft rays: 18-22; Vertebrae: 33-37. Differs from all species of Cynolebias by having the upper jaw ventrally displaced (Ref. 97357). Snout gently pointed with lower jaw not elongated; scaled anal-fin base; caudal and pectoral fins rounded (Ref. 40938).
Biology:  Inhabits river floodplain (Ref. 97357). Bottom spawner, 5-7 months incubation. Is very difficult to maintain in aquarium (Ref. 27139).
IUCN Red List Status: Least Concern (LC); Date assessed: 18 May 2022 Ref. (130435)
Threat to humans:  harmless


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