The spotted lungfish or slender lungfish (Protopterus dolloi) is a species of lungfish from Middle Africa, where found in the Congo, Kouilou-Niari and Ogowe river basins. It is one of four extant species in the genus Protopterus.
The slender lungfish is a freshwater fish and it largely inhabits the middle and lower Congo River basin. It is a primarily demersal fish, dwelling in the riverbeds of the above basins and in Stanley Pool. During spawning season, females can be found in open water.
The slender lungfish has an anguilliform body, much like an eel. The body of the slender lungfish is generally brown; young of the species oftentimes have black spots throughout the body, however adults generally lose these spots as they age. Like all African lungfish the slender lungfish is an obligate air-breather and is capable of aestivation; however, it generally does not aestivate.
Spotted lungfish nests are generally found in June through October. During this time period the male makes a nest and buries it in mud, not unlike the marbled lungfish mating behavior. He guards both eggs and larvae during this time. The female does not take care of the young but rather during this time can be found open water in rivers within its range.
- Brummett, R.; Mbe Tawe, A.N.; Dening Touokong, C.; Reid, G.M.; Snoeks, J. Staissny; M., Moelants; T., Mamonekene; V., Ndodet; B., Ifuta; S.N.B., Chilala; et al. (2010). "Protopterus dolloi". IUCN Red List of Threatened Species. 2010: e.T183033A8036086. doi:10.2305/IUCN.UK.2010-3.RLTS.T183033A8036086.en. P. dolloi has been assessed as Least Concern because it has a very large range, and there are no known widespread threats to the species.
- Froese, Rainer and Pauly, Daniel, eds. (2014). "Protopterus dolloi" in FishBase. April 2014 version.
- "Protopterus dolloi (Slender lungfish, Slender lungfish (FB))". IUCN Red List of Threatened Species. Retrieved 2015-06-05.old-form url
- Fishman, A. P., Pack, A. I., Delaney, R. G. and Gallante, R. J. (1987). Estivation in Protopterus. In The Biology and Evolution of Lungfishes(ed.) W. E. Bemis, W. W. Burggren and N. E. Kemp), pp. 163–179. New York: Alan R. Liss, Inc.
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