Darling river hardyhead (Craterocephalus amniculus)

Scientific name: Craterocephalus amniculus Crowley & Ivantsoff, 1990

The Darling river hardyhead (Craterocephalus amniculus) is a freshwater fish of the family Atherinidae. Native range: Oceania, New South Wales, Australia.

Biology

Inhabits slow-flowing, clear waters of small creeks and streams; usually in the shallows or at the surface, often among aquatic vegetation. Found in rivers. Solitary or in small aggregations of 10-15 fish. Spawning possibly occurs in late to mid summer as indicated by the capture of sub-adults in September. The upper Hunter river (New South Wales) has yielded specimens of a similar hardyhead which are tentatively identified as C. amniculus but could prove to be a separate undescribed species. Formerly mis-identified as C. eyresii.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Craterocephalus amniculus
Family
Atherinidae (Silversides)
Order
Atheriniformes (Silversides)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
5.5
Environment
Freshwater; benthopelagic
Climate
Subtropical
Distribution
Oceania: New South Wales, Australia.
Conservation status (IUCN)
Vulnerable (VU) (A1c)
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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