Overview

Comprehensive Description

Biology

Found in lowland streams and peats (Ref. 57235). Adults occur in large rivers. Feed on insect larvae and zooplankton. Oviparous, distinct pairing possibly like other members of the same family (Ref. 205).
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Distribution

Asia: Mekong basin, Malaysia and Indonesia.
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Java and southern Sumatra.
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Physical Description

Size

Maximum size: 198 mm SL
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Max. size

19.8 cm SL (male/unsexed; (Ref. 2091))
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Diagnostic Description

Fontanel confined to anterior half of head; long adipose fin separated from dorsal-fin base; over 40 gill rakers on lower arm of first arch (Ref. 12693).
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Ecology

Habitat

Environment

demersal; potamodromous (Ref. 51243); freshwater; pH range: 6.0 - 7.0; dH range: 5 - 19
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Migration

Potamodromous. Migrating within streams, migratory in rivers, e.g. Saliminus, Moxostoma, Labeo. Migrations should be cyclical and predictable and cover more than 100 km.
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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial
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Wikipedia

Mystus nigriceps

Mystus nigriceps, the two-spot catfish, is a species of catfish of the family Bagridae. The species was available in aquarium circles without a scientific name until a connection was made to a description of Mystus micracanthus by the ichthyologist Bleeker, in 1846. The artist's impression at that time showed a catfish without any obvious markings, although another researcher in the early 1940s described it with two body spots. M. micracanthus is a junior synonym of M. nigriceps.[1]

In the wild it is found in Cambodia, Indonesia, Laos, Malaysia, Singapore and Thailand.[1]

It grows to a length of 19.8 cm and feeds on zooplankton and insect larvae in the wild,[1] and most prepared foods in aquariums.[2] It is not safe to keep them with smaller fish in the aquarium as they will eat them.[2]

References[edit]

  1. ^ a b c Froese, Rainer and Pauly, Daniel, eds. (2011). "Mystus nigriceps" in FishBase. December 2011 version.
  2. ^ a b http://www.planetcatfish.com/catelog/_species.php?species_id=4002


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