Arthroleptis crusculum Angel, 1950

Kanga, Kouassi Philippe, Kouamé, N’Goran Germain, Zogbassé, Parfait, Gongomin, Basseu Aude-Inès, Agoh, Konan Laurent, Kouamé, Akoua Michèle, Konan, Jean Christophe B. Y. N., Adepo-Gourène, Abouo Béatrice, Gourène, Germain & Rödel, Mark-Oliver, 2021, Amphibian diversity of a West African biodiversity hotspot: an assessment and commented checklist of the batrachofauna of the Ivorian part of the Nimba Mountains, Amphibian & Reptile Conservation (e 275) 15 (1), pp. 71-107 : 78

Arthroleptis crusculum Angel, 1950

Evening Squeaker

Material: Two males, NGK-Nimba 0019 , NGK-Nimba 0130 ( Fig. 6A ).

Comments: On a rainy day they were found together with a juvenile Nimba Toad ( N. occidentlais ) below a stone in montane grassland (07°35.555’N, 008°25.788’W; 1,235 m asl). These males had an oval to slender elongated body and measured 15.5 and 21.0 mm SUL, respectively. Arthroleptis crusculum always possesses a granular to warty dorsal skin. Its habitat differs from other species of the genus which are present on Mounts Nimba. Arthrolpetis nimbaensis , A. langeri , and A. krokosua , and occur in rainforest and/or farmbush ( Guibé and Lamotte 1958b; Rödel et al. 2009; Adum et al. 2011; Nopper et al. 2012; Sandberger-Loua et al. 2018a). Arthrolpetis crusculum occurs in high elevation grasslands up to 1,750 m asl during the rainy season and seems to survive the dry season in gallery forests and at the edges of marshes ( Guibé and Lamotte 1958b).

Figures

Fig. 6.Arthroleptid frogs from MountNimba Integrated Nature Reserve:Arthroleptis crusculum male(A);Arthroleptis poecilonotus- complex female (B); Astylosternus occidentalis female (C); Cardioglossa occidentalis male (D); Leptopelis macrotis male (E); Leptopelis occidentalis male (F); Leptopelis spiritusnoctis female (G); Leptopelis viridis female (H).