|Scientific Name:||Pseudotropheus johannii Eccles, 1973|
Melanochromis johannii (Eccles, 1973)
|Taxonomic Source(s):||Eschmeyer, W.N., Fricke, R. and Van der Laan, R. (eds). 2017. Catalog of Fishes: genera, species, references. Updated 30 June 2017. Available at: http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatmain.asp. (Accessed: 30 June 2017).|
|Taxonomic Notes:||This species previously appeared on the IUCN Red List in the genus Melanochromis Trewavas, 1935 but is now valid in the genus Pseudotropheus Regan, 1922.|
|Red List Category & Criteria:||Vulnerable D2 ver 3.1|
|Reviewer(s):||Snoeks, J. (Freshwater Fish Red List Authority) & Darwall, W. (Freshwater Biodiversity Assessment Programme)|
Endemic to Lake Malawi where it is only known to occur at Masinje and Makanjila Point.
|Range Description:||Endemic to Lake Malawi. Occurs at Masinje as well as Makanjila Point. Its distribution may, however, extend north beyond the Mozambican border.|
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||No information available.|
|Current Population Trend:||Unknown|
|Habitat and Ecology:||Found in the intermediate habitat mostly near rocks at about 5 m depth. Feeds from both rocky and sand substrate as well as on suspended matter in the water column. Breeding may occur in the coll season (May–July). Males do not show territoriality but chase conspecific males in breeding colouration from the foraging ground. Known by its scientific name in the aquarium trade.|
|Major Threat(s):||Subsistence fishing. Collection for the aquarium trade. Competition from translocated species.|
|Amended reason:||This species previously appeared on the IUCN Red List in the genus Melanochromis Trewavas, 1935 but is now valid in the genus Pseudotropheus Regan, 1922. An amended assessment has been produced to reflect this taxonomic change.|
Eccles, D.H. 1973. Two new species of cichlid fishes from Lake Malawi (formerly known as Lake Nyasa). Arnoldia (Rhodesia) 6(16): 1–7.
IUCN. 2006. IUCN Red List of Threatened Species.
IUCN. 2017. The IUCN Red List of Threatened Species. Version 2017-2. Available at: www.iucnredlist.org. (Accessed: 14 September 2017).
Konings, A. 1990. Konings's Book of Cichlids and All the Other Fishes of Lake Malawi. T.F.H. Publications, Inc., Neptune City New Jersey.
Konings, A. 1995. Malawi Cichlids in their Natural Habitat. Second Edition. Cichlid Press, St. Leon-Rot, Germany.
|Citation:||Kasembe, J. 2017. Pseudotropheus johannii. (amended version published in 2006) The IUCN Red List of Threatened Species 2017: e.T61119A117818772.Downloaded on 23 November 2017.|
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