False black tetra (Gymnocorymbus thayeri)

Scientific name: Gymnocorymbus thayeri Eigenmann, 1908

The False black tetra (Gymnocorymbus thayeri) is a freshwater fish of the family Characidae. In the aquarium it needs water at 23–27°C (73–81°F). Native range: South America, upper Amazon River basin (Bolivia and Colombia). Recorded from the Orinoco River, Guyana, and Trinidad and Tobago.

False black tetra care at a glance

Temperature: 23–27°C (73–81°F)

Species facts

Scientific name: Gymnocorymbus thayeri
Family: Characidae (Characins)
Order: Characiformes (Characins)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 5.0
Environment: Freshwater;; pH range: 5.5 - 7.5; dH range: ? - 20 pelagic
Climate: Tropical
Distribution: South America: upper Amazon River basin (Bolivia and Colombia). Recorded from the Orinoco River, Guyana, and Trinidad and Tobago.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)