Murchison river hardyhead (Craterocephalus cuneiceps)

Scientific name: Craterocephalus cuneiceps Whitley, 1944

Murchison river hardyhead (Craterocephalus cuneiceps)

The Murchison river hardyhead (Craterocephalus cuneiceps) is a freshwater fish of the family Atherinidae. Native range: Oceania, endemic to Australia.

Biology

Inhabits slow-flowing streams or still, isolated pools in either clear or turbid conditions. Can tolerate marine conditions and temperatures well above 30? C. Can live in water where salinity levels twice that of sea water. An extremely hardy species capable of surviving hypersaline conditions and a wide temperature range. Its tolerance to salinity is much higher than that of most other fishes. The omnivorous diet includes small invertebrates and plant material.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Craterocephalus cuneiceps
Family
Atherinidae (Silversides)
Order
Atheriniformes (Silversides)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
8.5
Common length
5.5
Environment
Freshwater; benthopelagic
Climate
Tropical
Distribution
Oceania: endemic to Australia.
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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