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Neoarius utarus  (Kailola, 1990)

Northern rivers catfish
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Neoarius utarus
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Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (strålfeniga fiskar) > Siluriformes (Catfish) > Ariidae (Sea catfishes) > Ariinae

Miljö / Klimat / Range Ekologi

; sötvatten bentopelagisk.   Tropical, preferred ?; 1°S - 6°S

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

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.

Length at first maturity / Size / Vikt / Age

Maturity: Lm ?, range 25 - ? cm
Max length : 55.0 cm SL hane/ej könsbestämd; (Ref. 2847); common length : 30.0 cm SL hane/ej könsbestämd; (Ref. 9233); common length :30 cm SL (female); publicerad maxvikt: 1.7 kg (Ref. 9233); publicerad maxvikt: 1.7 kg

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 1; Mjukstrålar i ryggfenan (totalt): 7; Taggstrålar i analfenan 0; Mjukstrålar i analfenan: 18 - 22

Biologi     Ordlista (t.ex. epibenthic)

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.

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Mouthbrooders. Ovary or brood mass contains 15 to 75 ripe eggs (Ref. 2847).

Main reference Upload your references | referenser | Koordinator : Ferraris, Jr., Carl J. | Medarbetare

Allen, G.R., 1991. Field guide to the freshwater fishes of New Guinea. Publication, no. 9. 268 p. Christensen Research Institute, Madang, Papua New Guinea. (Ref. 2847)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Traumatogenic (Ref. 58010)




Human uses

Fiskeri: husbehovsfiske
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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