Featherfin pearlfish (Simpsonichthys constanciae)

Scientific name: Simpsonichthys constanciae Myers, 1942

The Featherfin pearlfish (Simpsonichthys constanciae) is a freshwater fish of the family Rivulidae. In the aquarium it needs water at 22–25°C (72–77°F). Native range: South America, Brazil. Listed as Vulnerable in IUCN 2004 and listed in Appendix II of CITES.

Featherfin pearlfish care at a glance

Temperature: 22–25°C (72–77°F)

Biology

Aquarium conditions preferred: pH=7, H=10, 22?C, with rocks, plants and driftwood. Egg laying peaceful community fish. Bottom spawner, 4 months incubation. Is easy to maintain in the aquarium.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Simpsonichthys constanciae
Family: Rivulidae (Rivulines)
Order: Cyprinodontiformes (Live bearers, Killifishes and Rivulines)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 6.0
Environment: Freshwater; benthopelagic; non-migratory
Climate: Subtropical
Distribution: South America: Brazil. Listed as Vulnerable in IUCN 2004 and listed in Appendix II of CITES.
Conservation status (IUCN): Vulnerable (VU) (B1+2ac+3bd)
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)