Hyperolius koehleri Mertens, 1940

Class: Amphibia > Order: Anura > Family: Hyperoliidae > Subfamily: Hyperoliinae > Genus: Hyperolius > Species: Hyperolius koehleri

Hyperolius köhleri Mertens, 1940, Senckenb. Biol., 22: 121. Holotype: SMF 28291, according to Laurent, 1985, in Frost (ed.), Amph. Species World: 211. Type locality: "Musake-Quelle, oberhalb Buëa, 1800 m. H., Kamerun-Berg", Cameroon.

Chlorolius koehleriPerret, 1988, Bull. Soc. Neuchatel. Sci. Nat., 111: 46.

Hyperolius (Chlorolius) koehleriAmiet, 2012, Rainettes Cameroun: 362.

English Names

Koehler's Green Frog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 66).

Koehler's Reed Frog (Channing and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 194).


Southeasternmost Nigeria through southern Cameroon to northern Gabon in forest; likely to be found in Equatorial Guinea and adjacent Rep. Congo.

Geographic Occurrence

Natural Resident: Cameroon, Gabon, Nigeria

Likely/Controversially Present: Congo, Republic of the, Equatorial Guinea


Discussed by (as Hyperolius koehleri) Amiet, 1977 "1976", Ann. Fac. Sci. Cameroun, 21–22: 159–169, who described the tadpoles. See brief account and map by Schiøtz, 1999, Treefrogs Afr.: 88–89. See account for Cameroon by Amiet, 2012, Rainettes Cameroun: 362-371. Channing, Rödel, and Channing, 2012, Tadpoles of Africa: 198–199, reported on comparative tadpole morphology (as Chlorolius koehleri). Dewynter and Frétey, 2019, Cah. Fondation Biotope, 27: 25, summarized the literature for Gabon. Sánchez-Vialas, Calvo-Revuelta, Castroviejo-Fisher, and De la Riva, 2020, Proc. California Acad. Sci., Ser. 4, 66: 146, considered the species to be a possible member of the Equatorial Guinea fauna. Channing and Rödel, 2019, Field Guide Frogs & Other Amph. Afr.: 194–195, provided a brief account, photograph, and range map. 

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