Observation of predation of the giant fishing spider Ancylometes rufus (Walckenaer, 1837) (Araneae, Ctenidae) on Dendropsophus melanargyreus Cope, 1877 (Anura, Hylidae)

we report here an observation of predation of the giant spider ancylometes rufus on the tree frog dendropsophus melanargyreus in a southern region of amazonia forest. we also reviewed the available literature on predation of this spider species on vertebrates.