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Description:
Males 26-29 mm, females 31-39 mm. The body is depressed; the head
is narrow, and the snout is pointed. The tympanum is absent; the
skin on the dorsum is finely spiculate, nearly smooth, like that
on the venter. The digits are short with rounded tips. Usually
the dorsum has irregular, longitudinal black marks separated by
pale green areas in which small black spots are present. The venter
is pale yellow with black markings. The palms, soles and proximal
ventral surfaces of the thighs are bright orange. The iris is
pale greenish-gold.
Ecology
Habitat:
tropical rain forest, found in terre firme forest usually
near blackwater streams (at RCTT).
Niche:
carnivorous: prey includes insects and and any other small creatures
it can catch.
Life History:
This frog is active by day on the ground in primary forest. When
disturbed by a potential predator, the frog often arches its back
while rocking on its belly with the bright orange palms and soles
turned upward. The tadpoles attain a length of about 15 mm, of
which about 1/2 is tail. The large mouth is ventral in the anterior
part of a large suctorial disc, by means of which the tadpole
adheres to objects in swiftly moving streams.
Status:
Uncommon, present in undisturbed forested areas on the Tahuayo
River side of the reserve; status on the Yavari-Miri side unknown.
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