Simpsonichthys boitonei Carvalho, 1959
Lyrefin pearlfish
photo by Terceira, A.C.

Family:  Rivulidae (Rivulines), subfamily: Cynolebiinae
Max. size:  5.5 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater, non-migratory
Distribution:  South America: Upper Paraná River basin in Brazil.
Diagnosis:   
Biology:  Prefers pH=6.6, Hardness=6, temp.=24°C with rocks, plants and driftwood in the aquarium environment. An egg laying, peaceful community fish (Ref. 6398). Bottom spawner, 2 months incubation. Is difficult to maintain in aquarium (Ref. 27139).
IUCN Red List Status: Endangered (EN); Date assessed: 18 May 2022 (B1ab(iii,iv)) Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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