Cocle Caecilian

C. volcani is known to reach total lengths of up to 324 mm (12.8 in), with the body width being one 30–37th of the total length. It has a flat snout, eyes that are visible under the skin and splenial teeth. It has 112–124 primary annular folds and 14–37 secondary ones. Its colouration is for the most part uniformly slate grey, being a bit lighter on the head and neck, and even lighter than that on the lips and underside of the snout. The remainder of the snout is light tan. Annual folds are a darker grey than the rest of the body.

C. volcani was thought to be endemic to Panama, but has since been found in Costa Rica, in an area to the northeast of San José. Its range in Costa Rica is considered likely to be more extensive than currently known. It is a subterranean species, but in its natural habitat it can also found under leaf-litter in tropical forests. In addition to this, it has been found a wide variety of other habitats, including mature secondary forest and ones highly disturbed by human activity, such as rural gardens and pastures. It has also been found at a swimming pool. The 2019 assessment of the species for the IUCN Red List categorized it as a least-concern species.

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