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Brustiarius utarus (Kailola, 1990)

Northern rivers catfish
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Brustiarius utarus
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Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Ariidae (Sea catfishes) > Ariinae

Environment: milieu / climate zone / depth range / distribution range Écologie

; eau douce benthopélagique. Tropical; 1°S - 6°S

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | 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 / Taille / Poids / Âge

Maturity: Lm ?, range 25 - ? cm
Max length : 55.0 cm SL mâle / non sexé; (Ref. 2847); common length : 30.0 cm SL mâle / non sexé; (Ref. 9233); common length :30 cm SL (female); poids max. publié: 1.7 kg (Ref. 9233); poids max. publié: 1.7 kg

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 1; Rayons mous dorsaux (Total) : 7; Épines anales: 0; Rayons mous anaux: 18 - 22.

Biologie     Glossaire (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 Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

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

Référence principale Upload your references | Références | Coordinateur : Ferraris, Jr., Carl J. | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)

  Préoccupation mineure (LC) ; Date assessed: 20 May 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Traumatogenic (Ref. 58010)





Utilisations par l'homme

Pêcheries: pêcheries vivrières
FAO - Publication: search | FishSource |

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Trophic ecology
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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5010   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00250 - 0.00959), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  3.0   ±0.47 se; based on food items.
Résilience (Ref. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (47 of 100).
Catégorie de prix (Ref. 80766):   Medium.