|Scientific Name:||Mastacembelus micropectus|
|Species Authority:||Matthes, 1962|
|Taxonomic Notes:||Vreven (accepted) placed the African genera Caecomastacembelus and Aethiomastacembelus in synonymy with Mastacembelus.|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Assessor(s):||Bigirimana, C. & Vreven, E.|
|Reviewer(s):||Snoeks, J. (Freshwater Fish Red List Authority) & Darwall, W. (Freshwater Biodiversity Assessment Programme)|
A widespread species in Lake Tanganyika with no major widespread threats identified.
|Range Description:||Endemic to Lake Tanganyika.|
Native:Burundi; Congo, The Democratic Republic of the; Tanzania, United Republic of; Zambia
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||Unknown, but their density of occupation of the rocky recesses can be phenomenal (there are on average approximately 30 to 50 spiny eels, all species and size put together, per 100 m² of substrate). In other habitats, however, it is said to be rare (Matthes 1962) or "present without being common" at Cape Chipimbi (Zambia) (Brichard 1978).|
|Current Population Trend:||Unknown|
|Habitat and Ecology:||Shallow coastal waters with rocky bottom. Mastacembelus micropectus, the third dwarf species, has involved along entirely different lines than the seahorse eel. The swimming ability of Mastacembelus micropectus is thus very poor, contrary to Mastacembelus platysoma, and the fish probably is more used to crawling around the rocks in the obscurity of it dwelling deep in the labyrinths, than to swimming. Its colour pattern reflects the habitat pale purple with pinkish underparts. The depigmentation of the skin is reminiscent of the similar colour of several spiny eels living under the sandstone slabs of the kinshasa rapids. Apparently Mastacembelus micropectis has gone a long way from the standard Mastacembelus anatomy to adapt to a very constraining ecological niche. Because of these specializations the fish does very poorly in captivity and usually dies after a few days. It inhabits the rocky littoral at depths of 0.5 to 4 m with preference for the zones with rocky slides and crevices (Matthes 1962). Coulter (1991) and Eccles (1992) recorded the species in shallow inshore waters with rocky bottoms. Brichard (1978, 1989) also describes M. micropectus as a rock dweller.|
|Major Threat(s):||Water pollution, habitat deterioration, over exploitation and other human activities around the lake.|
|Conservation Actions:||There are no conservation measures in place for this species.|
Brichard, P. 1989. Pierre Brichard's Book of Cichlids and All the Other Fishes of Lake Tanganyika. THF Publications Inc., Neptune, United States.
Daget, J., Gosse, J.-P. and Thys van den Audenaerde, D.F.E. (eds). 1986. Check-list of the Freshwater Fishes of Africa (CLOFFA II) ISNB, Brussels and MRAC, Tervuren, Belgium, and ORSTOM, Paris, France.
IUCN. 2006. IUCN Red List of Threatened Species.
|Citation:||Bigirimana, C. & Vreven, E. 2006. Mastacembelus micropectus. The IUCN Red List of Threatened Species 2006: e.T60391A12349425.Downloaded on 25 June 2017.|
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