Ctenophryne aterrima (Costa Rica nelson frog)
Ctenophryne aterrima (Günther, 1901)
A medium-sized to large frog characterized by its shiny black coloration; moderately large size; small, pointed head; well-developed toe webbing. The most similar species west of the Andes in Ecuador is Ctenophryne aequatorialis, from which it differs by its black coloration (light brown dorsum…
