(Colostethus agilis)

Colostethus agilis grows to a snout-to-vent length of about 25 mm (1 in) with females being slightly larger than males.The head is wide and the snout short.The tympanum,situated just behind the eye,is half covered by a fold of skin.There are some white specks on the upper lip and the iris is bronze with yellow specks.The dorsal and lateral surfaces have several longitudinal rows of warts and the general colour is olive or deep brown with darker coloured blotches.The ventral surface and the underside of the thighs are pale with yellowish blotches.There are discs on the tips of the fingers of the fore feet and smaller ones on the hind feet.Colostethus agilis is one of only five species of Colostethus that have fully webbed hind feet,the others being Colostethus chocoensis,Colostethus fuliginosus,Colostethus palmatus and Colostethus vergeli
