Northern rivers catfish (Neoarius utarus)

Scientific name: Neoarius utarus Kailola, 1990

Northern rivers catfish (Neoarius utarus)

The Northern rivers catfish (Neoarius utarus) is a freshwater fish of the family Ariidae.

Biology

Prefers main river channels, but also occurs in lakes and on the floodplain. Feeds mainly on large crustaceans (Macrobrachium and Caridina), fishes, aquatic and terrestrial insects, nymphs and detritus. Occurs at temperatures ranging from 26 to 32?C. Mainly diurnal.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Neoarius utarus
Family
Ariidae (Sea catfishes)
Order
Siluriformes (Catfish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
55.0
Common length
30
Environment
Freshwater; benthopelagic
Climate
Tropical
Distribution
Asia and Oceania: Indonesia (Mamberamo river system in Irian Jaya) and Papua New Guinea (Ramu and Sepik river system). Often misidentified as Arius leptaspis, a closely related species from southern New Guinea.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Traumatogenic
Uses
Fisheries: subsistence fisheries
Resilience
Low, minimum population doubling time 4.5 - 14 years (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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