pursus, Pseudotropheus Stauffer [J. R., Jr.] 1991:142, Figs. 1, 3-4 [Copeia 1991 (no. 1); ref. 20087] Kanchedza Island, Lake Malawi [Lake Nyasa], southeastern Africa, depth 2-3 meters. Holotype: USNM 307339. Paratypes: BMNH 1990.2.12.2-6 (5); MFRU 1 (3), 2 (3); USNM 30740 (12). Correct specific name is purus (meaning clean to reflect the cleaning behavior), pursus is an inadvertent error, Art. 32.5.1 of the Code (Stauffer et al. 2013:103 [ref. 32704]). •Valid as Metriaclima purum (Stauffer 1991) (also seen as pursum) -- (Stauffer et al. 1997 [ref. 23216], Konings & Stauffer 2006:234 [ref. 28844], Ciccotto et al. 2011:23 [ref. 31119] not typical of genus, Stauffer et al. 2013:103 [ref. 32704]). •Valid as Maylandia purus (Stauffer 1991) -- (Ufermann 2001:61 [ref. 30286] as pursus). •Synonym of Metriaclima lanisticola (Burgess 1976) -- (Konings 2016:318 [ref. 34521]). •Synonym of Maylandia lanisticola (Burgess 1976) -- see Maylandia. •Synonym of Pseudotropheus lanisticola Burgess 1976. Current status: Synonym of Maylandia lanisticola (Burgess 1976). Cichlidae: Pseudocrenilabrinae. Habitat: freshwater.