Brustiarius utarus, the northern rivers catfish or salmon catfish,Common names of Brustiarius utarus at www.fishbase.org. is a species of catfish in the family Ariidae. It was described by Patricia J. Kailola in 1990, originally under the genus Arius. It inhabits freshwater bodies in Indonesia and Papua New Guinea.
Its diet includes finfish, detritus, terrestrial invertebrates, and caridean shrimp such as those in the genus Macrobrachium.Food items reported for Brustiarius utarus at www.fishbase.org.
Brustiarius utarus reaches a maximum known standard length of , but usually reaches an SL of . It reaches a maximum weight of . It closely resembles Bleekeriella leptaspis, and is frequently mistaken for it.
Brustiarius utarus spawns throughout the year.Spawning for Brustiarius utarus at www.fishbase.org.Reproduction of Brustiarius utarus at www.fishbase.org. It is harvested by subsistence fisheries.
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