Barredtail pearlfish (Notholebias minimus)

Scientific name: Notholebias minimus Myers, 1942

The Barredtail pearlfish (Notholebias minimus) is a freshwater fish of the family Rivulidae. In the aquarium it needs water at 20–22°C (68–72°F). Native range: South America, Atlantic coastal river basins in Brazil. Listed as Vulnerable in IUCN 2004 and in Appendix II of CITES.

Barredtail pearlfish care at a glance

Temperature: 20–22°C (68–72°F)

Biology

Bottom spawner,10 months incubation. Is difficult to maintain in aquarium.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Notholebias minimus
Family: Rivulidae (Rivulines)
Order: Cyprinodontiformes (Live bearers, Killifishes and Rivulines)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 4.0
Environment: Freshwater;; pH range: 5.5 - 6.5; dH range: ? - 10 benthopelagic; non-migratory
Climate: Subtropical
Distribution: South America: Atlantic coastal river basins in Brazil. Listed as Vulnerable in IUCN 2004 and in Appendix II of CITES.
Conservation status (IUCN): Vulnerable (VU) (B1+2ac+3bd)
Threat to humans: Harmless
Uses: Fisheries: of no interest; aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)