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).
  • Ferraris, C.J. Jr. 2007 Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628. (Ref. 58032)
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Distribution

Asia: Mekong basin, Malaysia and Indonesia.
  • Rainboth, W.J. 1996 Fishes of the Cambodian Mekong. FAO Species Identification Field Guide for Fishery Purposes. FAO, Rome, 265 p. (Ref. 12693)
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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))
  • Roberts, T.R. 1989 The freshwater fishes of Western Borneo (Kalimantan Barat, Indonesia). Mem. Calif. Acad. Sci. 14:210 p. (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).
  • Rainboth, W.J. 1996 Fishes of the Cambodian Mekong. FAO Species Identification Field Guide for Fishery Purposes. FAO, Rome, 265 p. (Ref. 12693)
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Ecology

Habitat

Environment

demersal; potamodromous (Ref. 51243); freshwater; pH range: 6.0 - 7.0; dH range: 5 - 19
  • Riede, K. 2004 Global register of migratory species - from global to regional scales. Final Report of the R&D-Projekt 808 05 081. Federal Agency for Nature Conservation, Bonn, Germany. 329 p. (Ref. 51243)
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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.
  • Riede, K. 2004 Global register of migratory species - from global to regional scales. Final Report of the R&D-Projekt 808 05 081. Federal Agency for Nature Conservation, Bonn, Germany. 329 p. (Ref. 51243)
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial
  • Sidthimunka, A. 1970 A report on the fisheries survey of the Mekong River in the vicinity of the Pa Mong Dam site. Inland Fisheries Division, Department of Fisheries, Bangkok, Thailand. 75 p. (Ref. 9648)
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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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