Dr. Luca Luiselli, Demetra s.r.l.; (main census March & October 2000, October 2001); additional opportunistic observations through to 2005 by CERCOPAN staff and visitors  (identification by Dr. Luiselli and colleagues; nomenclature follows LeBreton, 1999). Updated by Roedel M.O. & Onadeko A., January 2007. The survey by Roedel and Onadenko, which added 28 new records for Rhoko, was generously supported by the Wildlife Conservation Society as part of a wider biodiversity survey in the Cross-Sanaga region. 

48 species March 2007

Arthroleptidae
Arthroleptis cf. taeniatus
Arthroleptis cf. variabilis
Cardioglossa leucomystax
Cardioglossa melanogaster
Cardioglossa gracilis

Astylosterniade
Trichobatrachus robustus
Leptodactylodon ovatus
Nyctibates corrugatus
Scotobleps gabonicus

Ranidae
Amnirana albolabris
Amnirana asperrima
Amnirana galamensis
Conraua alleni 
Ptychadena oxyrhynchus
Ptychadena aequiplicata
Hoplobatrachus occipitalis

Bufonidae
Bufo latifrons
Bufo maculatus
Bufo camerunensis
Bufo regularis
Bufo superciliaris
Wolterstorffina parvipalmata
Nectophryne afra

Hyperoliidae
Acanthixalus spinosus
Afrixalus paradorsalis
Hyperolius guttulatus
Hyperolius riggenbachi)
Hyperolius nasutus
Hyperolius ocellatus
Leptopelis rufus
Leptopelis boulengeri
Leptopelis brevirostris
Leptopelis calcaratus
Leptopelis cf. notatus
Leptopelis ocellatus
Leptopelis aubryi
Opisthothylax immaculatus

Rhacophoridae
Chiromantis rufescens

Petropedetidae
Phrynobatrachus auritus
Phrynobatrachus calcaratus
Phrynobatrachus accraensis
Phrynobatrachus n. sp
Phrynobatrachus werneri
Dimorphognathus africanus (to be confirmed)
Phrynobatrachus calcaratus
Petropedetes cf. newtoni
Petropedetes cf. parkeri
Petropedetes cf. cameronesnis.

List revised 6 March 2007