Ptychadena christyi (Boulenger, 1919)

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

Rana christyi Boulenger, 1919, Rev. Zool. Afr., 7: 5. Syntypes: BMNH (4 specimens), by original desgination, of which a single specimen is now known, this being BMNH 1947.2.2.59 (formerly 1919.8.16.20) by museum records. Type locality: "Madié [= Medje] (Ituri)", Dem. Rep. Congo.

Rana (Ptychadena) christyiDe Witte, 1921, Rev. Zool. Afr., 9: 5; Dubois, 1981, Monit. Zool. Ital., N.S., Suppl., 15: 233; by implication.

Ptychadena christyiGuibé and Lamotte, 1957, Bull. Inst. Franç. Afr. Noire, Ser. A, 19: 942; Dubois, 1987 "1986", Alytes, 5: 56; by implication.

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

English Names

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

Christy's Ridged Frog (Channing and Howell, 2006, Amph. E. Afr.: 302).

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


Northeastern Dem. Rep. Congo and western Uganda in forest.

Geographic Occurrence

Natural Resident: Congo, Democratic Republic of the, Uganda


See Noble, 1924, Bull. Am. Mus. Nat. Hist., 49: 222–224. Channing and Howell, 2006, Amph. E. Afr.: 302–303, provided an account.. Zimkus and Larson, 2013, Salamandra, 49: 167, suggested that Ptychadena christyi may be a synonym of Ptychadena perretiChanning and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 340–341, provided a brief account, photograph, and range map. Mali, Banda, Chifundera, Badjedjea, Sebe, Lokasola, Ewango, Tungaluna, and Akaibe, 2019, Am. J. Zool., 2: 38–43, reported the species from the Okapi Wildlife Reserve, northeastern Dem. Rep. Congo. Kako-Wanzalire, Mongo, Ilonga, Mapoli, Mbumba, Neema, Tungaluna, Itoka, and Bogaert, 2021, Tropicultura, 39 (1: 1709): 1–19, briefly discussed habitat preference in north-central Dem. Rep. Congo. Badjedjea, Masudi, Akaibe, and Gvoždík, 2022, Amph. Rept. Conserv., 16 (1: e301): 61, commented on a population from the Kokolopori Bonobo Nature Reserve, Tshuapa Province, Dem. Rep. Congo. 

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