FIGURE 12 in A new species of nurse-frog (Aromobatidae, Allobates) from the Madeira River basin with a small geographic range

FIGURE 12. Cryptically colored Allobates species occurring in forested areas on the eastern bank of the middle and lower course of the Madeira River, in Amazonas State, Brazil. (A) Allobates bacurau photographed at the species type locality in Manicoré. Note golden yellow color of upper arm. (B) Calling male of A. bacurau photographed in the same area. (C) Male Allobates cearuleodactylus photographed in Borba, 280 km downstream of Manicoré. Note the sky-blue fingers. (D) Dorsolateral view of a male Allobates grillisimilis, photographed at the species type locality in Borba. Note olive brown color of upper arm. (E) Calling male of A. grillisimilis photographed in Nova Olinda do Norte, 370 km downstream of Manicoré. (F) Male and (G) female Allobates masniger, photographed at A. bacurau type locality in Manicoré. Color of throat and chest surfaces in A. masniger are gray to black in males and light yellow in females. (H) and (I) an undescribed species of Allobates, photographed in Nova Olinda do Norte and Borba, respectively. Note the bright yellow vocal-sac and conspicuous solid white ventrolateral stripe extending from groin to the upper lip. Photos by P.I. Simões, except (D), by A.P. Lima.