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Brustiarius utarus (Kailola, 1990)

Northern rivers catfish
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Brustiarius utarus
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Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

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

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

; süßwasser benthopelagisch. Tropical; 1°S - 6°S

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | 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 / Gewicht / Alter

Maturity: Lm ?, range 25 - ? cm
Max length : 55.0 cm SL Männchen/unbestimmt; (Ref. 2847); common length : 30.0 cm SL Männchen/unbestimmt; (Ref. 9233); common length :30 cm SL (female); max. veröff. Gewicht: 1.7 kg (Ref. 9233); max. veröff. Gewicht: 1.7 kg

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 1; Rückenflossenweichstrahlen (insgesamt) : 7; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 18 - 22.

Biologie     Fachlexikon (Englisch) (z.B. 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 Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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

Hauptreferenz Upload your references | Referenzen | Koordinator : Ferraris, Jr., Carl J. | Partner

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 Rote Liste Status (Ref. 130435: Version 2024-1)

  nicht bedroht (LC) ; Date assessed: 20 May 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Traumatogenic (Ref. 58010)





Nutzung durch Menschen

Fischereien: kleinfischerei
FAO - Publication: search | FishSource |

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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Genom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Gehe zu, Suchen | 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).
Trophic level (Ref. 69278):  3.0   ±0.47 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (47 of 100).
Preiskategorie (Ref. 80766):   Medium.