Serranochromis janus
– Data Deficient
Taxonomy
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Kingdom:
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ANIMALIA
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Phylum:
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CHORDATA
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Class:
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ACTINOPTERYGII
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Order:
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PERCIFORMES
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Family:
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CICHLIDAE
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Scientific Name:
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Serranochromis janus
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Species Authority:
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Trewavas, 1964
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Assessment Information
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Red List Category & Criteria:
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DD ver 3.1 (2001)
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Year Assessed:
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2006
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Assessor/s:
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Ntakimazi, G.
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Evaluator/s:
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Snoeks, J. (Freshwater Fish Red List Authority) & Darwall, W. (Freshwater Biodiversity Assessment Programme)
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Justification:
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More information is required to determine the species distribution and potential threats within the Malagarasi system.
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Geographic Range
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Range Description:
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Endemic to the Malagarasi river.
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Range Map:
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 (click for detailed map)
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Countries:
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Native:
Tanzania, United Republic of
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Population
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Population:
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Not known, but never abundant in fisheries catches
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Population Trend:
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Habitat and Ecology
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Habitat and Ecology:
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Found in marginal vegetation of the main river, lagoons and floodplain channels. Preys mainly on insects and small fish.
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System:
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Freshwater
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List of Habitats:
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| 5.1 | Wetlands (inland) - Permanent Rivers/Streams/Creeks (includes waterfalls) |
| 5.4 | Wetlands (inland) - Bogs, Marshes, Swamps, Fens, Peatlands |
| 5.5 | Wetlands (inland) - Permanent Freshwater Lakes (over 8ha) |
| 5.7 | Wetlands (inland) - Permanent Freshwater Marshes/Pools (under 8ha) |
| 5.13 | Wetlands (inland) - Permanent Inland Deltas |
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Threats
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Threats:
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Regression of the swamps in the wetlands around the main river due to agriculture and human settlement.
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List of Threats:
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| 1.1.1.1 | Habitat Loss/Degradation - Agriculture - Crops - Shifting Agriculture (ongoing) |
| 1.1.1.2 | Habitat Loss/Degradation - Agriculture - Crops - Small-holder farming (ongoing) |
| 6.3.7 | Pollution (affecting habitat and/or species) - Water pollution - Sediment (ongoing) |
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Conservation Actions
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Conservation Actions:
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No information available.
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List of Conservation Actions:
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| 3.9 | Research actions - Trends/Monitoring (needed) |
| 4.1 | Habitat and site-based actions - Maintenance/Conservation (needed) |
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Bibliography
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Bibliography:
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De Vos, L., Taverne, L. and Thys van den Audenaerde, D.F.E. 2001. L’Ichtyofaune du bassin de la Malagarasi (système du lac Tanganyika): une synthèse de la connaissance actuelle. Ann. Mus. R. Afr. Centr., Sc. Zool. 285: 117–152
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