Mountain hardyhead (Craterocephalus nouhuysi)

Scientific name: Craterocephalus nouhuysi Weber, 1910

The Mountain hardyhead (Craterocephalus nouhuysi) is a freshwater fish of the family Atherinidae. In the aquarium it needs water at 22–24°C (72–75°F). Native range: Asia and Oceania, Lorentz River in Irian Jaya, Indonesia and Upper Fly-Strickland River systems in Papua New Guinea.

Mountain hardyhead care at a glance

Temperature
22–24°C (72–75°F)

Biology

Dorsal spines (total): 7 - 9; Dorsal soft rays (total): 8-10; Anal spines: 1; Anal soft rays: 9 - 10

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Craterocephalus nouhuysi
Family
Atherinidae (Silversides)
Order
Atheriniformes (Silversides)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
10.0
Environment
Freshwater;; pH range: 7.0 - 7.8; dH range: 8 - 18 benthopelagic
Climate
Tropical
Distribution
Asia and Oceania: Lorentz River in Irian Jaya, Indonesia and Upper Fly-Strickland River systems in Papua New Guinea.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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