Sarotherodon linnellii

Sarotherodon linnellii
Conservation status
	; Critically Endangered (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Cichliformes
Family:	Cichlidae
Genus:	Sarotherodon
Species:	S. linnellii
Binomial name
	Sarotherodon linnellii; (Lönnberg, 1903)
Synonyms
	Tilapia linnellii Lönnberg, 1903;

Sarotherodon linnellii, sometimes known as the unga,^[2] blackfin tilapia or blackbelly tilapia, is a cichlid endemic to Lake Barombi Mbo in western Cameroon. This species reaches a length of 18.5 centimetres (7.3 in) SL.^[3] It is critically endangered because of pollution and sedimentation due to human activities. It is potentially also threatened by large emissions of carbon dioxide (CO₂) from the lake's bottom (compare Lake Nyos),^[1] although studies indicate that Barombo Mbo lacks excess amounts of this gas.^[4]

Juveniles mainly feed on insects (including their larvae) and adults mainly on phytoplankton.^[3]

The specific name honours a friend of Lönnberg’s, Gunnar Linnell, a Swede who owned a plantation in Cameroon and who sent a collection of fishes and crustaceans from there which included the type of this fish.^[5]

References

^ ^a ^b Moelants, T. (2010). "Sarotherodon linnellii". IUCN Red List of Threatened Species. 2010: e.T19909A9110008. doi:10.2305/IUCN.UK.2010-3.RLTS.T19909A9110008.en. Retrieved 19 November 2021.
^ Manci, William E. (2001). "Unga". Endangered Wildlife and Plants of the World, Volume 12, Umb-Zor. New York: Marshall Cavendish. p. 1592. ISBN 978-0-7614-7206-3.
^ ^a ^b Froese, Rainer; Pauly, Daniel (eds.). "Sarotherodon linnellii". FishBase. April 2013 version.
^ Freeth, S.J.; C.O. Ofoegbu; and K.M. Onuoha (1992). Natural Hazards in West and Central Africa, pp. 50—51. ISBN 978-3-663-05239-5
^ Christopher Scharpf & Kenneth J. Lazara (25 September 2018). "Order CICHLIFORMES: Family CICHLIDAE: Subfamily PSEUDOCRENILABRINAE (p-y)". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 9 February 2019.

External links

Photograph

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[iucn_status_19_November_2021-1] Moelants, T. (2010). "Sarotherodon linnellii". IUCN Red List of Threatened Species. 2010: e.T19909A9110008. doi:10.2305/IUCN.UK.2010-3.RLTS.T19909A9110008.en. Retrieved 19 November 2021.

[2] Manci, William E. (2001). "Unga". Endangered Wildlife and Plants of the World, Volume 12, Umb-Zor. New York: Marshall Cavendish. p. 1592. ISBN 978-0-7614-7206-3.

[fishbase-3] Froese, Rainer; Pauly, Daniel (eds.). "Sarotherodon linnellii". FishBase. April 2013 version.

[4] Freeth, S.J.; C.O. Ofoegbu; and K.M. Onuoha (1992). Natural Hazards in West and Central Africa, pp. 50—51. ISBN 978-3-663-05239-5

[ETYFish-5] Christopher Scharpf & Kenneth J. Lazara (25 September 2018). "Order CICHLIFORMES: Family CICHLIDAE: Subfamily PSEUDOCRENILABRINAE (p-y)". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 9 February 2019.

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