|Scope: Global, Pan-Africa & Eastern Africa|
|Scientific Name:||Metriaclima callainos (Stauffer & Hert, 1992)|
Maylandia callainos (Stauffer & Hert, 1992)
Pseudotropheus callainos Stauffer & Hert, 1992
|Taxonomic Source(s):||Konings, A. 2016. Malawi Cichlids in their natural habitat, 5th edition. Cichlid Press, El Paso, USA.|
|Taxonomic Notes:||Differs from other individuals in the genus (except for M. benetos) in that individuals have a pale blue ground colour with the absence of distinct black vertical bars. The females of M. callainos are either light blue or white, while females of M. benetos are brown with green highlights.
This species previously appeared on the IUCN Red List in the genus Maylandia but is now considered valid in the genus Metriaclima (Konings 2016, Stauffer et al. 2016).
|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 has only been recorded as naturally occurring at a single restricted location: Nkhata Bay.
|Previously published Red List assessments:|
|Range Description:||Endemic to Lake Malawi. Occurs at Nkhata bay, introduced at Likoma, Namalenje and Thumbi West Islands.|
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||No information available.|
|Current Population Trend:||Unknown|
|Habitat and Ecology:||Occurs along the rocky shores and rock outcroppings. Feeds on loose algae, which it scrapes from the rocks. It is a polymorphic cichlid known as "Cobalt Zebra" in the aquarium trade. Max. size: 8.01 cm (SL).|
|Major Threat(s):||Sedimentation. Collection for the aquarium trade. Subsistence fishing.|
|Amended reason:||This species previously appeared on the IUCN Red List in the genus Maylandia but is now considered valid in the genus Metriaclima (Konings 2016, Stauffer et al. 2016). An amended assessment has been produced to reflect this taxonomic change.|
|Citation:||Kasembe, J. 2017. Metriaclima callainos (amended version of 2006 assessment). The IUCN Red List of Threatened Species 2017: e.T61134A120799517.Downloaded on 21 July 2018.|
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