All FishesBagridaeNanobagrus

  • Nanobagrus armatus
  • Nanobagrus armatus
Hop to next section All Fishes Data Sheet
Scientific Name Nanobagrus armatus  (Vaillant, 1902)
Common Name
Type Locality Tepoe, Mahakam River, Borneo.
Synonym(s) Akysis armatus, Leiocassis armatus
Pronunciation Nah no BAG russ - arm ah tuss
Etymology From the Latin, nanus, meaning dwarf and bagrus, the name of a catfish genus frequently used to form generic names. armatus - from the Latin meaning furnished with weapons. In reference to the strong serrations on the posterior edge of the pectoral spines.
Hop to next section Species Information
Size 40mm or 1.6" SL. Find near, nearer or same sized spp.
Identification The bagrid catfish genus Nanobagrus is found throughout Sundaic Southeast Asia. Members of the genus are diagnosed from other bagrid catfishes by their miniature adult size (maximum size under ca 45 mm SL); reduced supraoccipital process; reduced anterior nuchal-plate element; and posterior cranial fontanel large and prominent.Its members typically inhabit small, forested streams with a moderate current.

Easily distinguished by its small size and distinctive color pattern.
Sexing Males have an elongate genital papilla in front of the anal fin.
Hop to next section Habitat Information
Distribution Borneo.
Pacific, Greater Sunda Island Rivers, Borneo Waters (click on these areas to find other species found there)

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pH 4.8 - 6.6
Temperature 22.0-27.0°C or 71.6-80.6°F (Show species within this range)
Hop to next section Husbandry Information
Feeding Readily feeds on live/frozen foods and other prepared foods.
Furniture Provide plenty of driftwood as hiding places.
Compatibility A peaceful, shoaling species. Beaccuse of its small size, best kept with other very small fishes (e.g. Boraras) or in a species tank.
Breeding Unreported.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Notes from the Leyden Museum v. 24 (note 1), pp 64, Fig. 10.
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Last Update 2019 Sep 25 14:08 (species record created: 2003 Feb 21 00:00)