Ptychadena obscura (Schmidt and Inger, 1959)

Class: Amphibia > Order: Anura > Family: Ptychadenidae > Genus: Ptychadena > Species: Ptychadena obscura

Rana (Ptychadena) obscura Schmidt and Inger, 1959, Explor. Parc Natl. Upemba, Miss. G.F. de Witte, 56: 85. Holotype: IRSNB 1425; subsequently reported as IRSNB 1189 by Lang, 1990, Doc. Trav., Inst. R. Sci. Nat. Belg., 59: 12. Type locality: "Kaziba, Parc National de l'Upemba, Province Katanga, Belgian Congo [=Dem. Rep. Congo]".

Ptychadena obscuraPoynton, 1970, Ann. Natal Mus., 20: 369; Dubois, 1987 "1986", Alytes, 5: 56, by implication.

Rana (Ptychadena) obscuraDubois, 1981, Monit. Zool. Ital., N.S., Suppl., 15: 233, by implication.

Ptychadena (Ptychadena) obscuraDubois, 1992, Bull. Mens. Soc. Linn. Lyon, 61: 316.

English Names

Kaziba Grassland Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 105).

Dark Ridged Frog (Channing, 2001, Amph. Cent. S. Afr.: 333).

Obscure Grass Frog (Channing and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 340).


Parc National Upemba, Katanga Province (Dem. Rep. Congo) and northern Zambia, possibly into adjacent eastern Angola (see comment), in grasslands above 750 m elevation.


See Poynton and Broadley, 1985, Ann. Natal Mus., 27: 147-148, and Channing, 2001, Amph. Cent. S. Afr.: 333-334. Baptista, Conradie, Vaz Pinto, and Branch, 2019, In Huntley, Russo, Lages, and Ferrand (eds.), Biodiversity in Angola: 257, noted specimens from northern Mwinilunga District, northwestern Zambia, suggesting its possible occurrence in adjacent eastern Angola. See Bittencourt-Silva, 2019, Amph. Rept. Conserv., 13 (2: e181): 12, for comment on the population in western Zambia and its possible relation to Ptychadena broadleyiChanning and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 340, provided a brief account and range map. 

External links:

Please note: these links will take you to external websites not affiliated with the American Museum of Natural History. We are not responsible for their content.