IUCN threat status:

Data Deficient (DD)

Comprehensive Description

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Description

A forest Hyperolius, males 21–28 mm, females 25–32 mm. No light triangle on the snout. Dorsum greyish green. Ventrum white, femur and extremities bright yellow. Throat intense green (female holotype). Phase J with light yellow-green dorsolateral lines. Pupil horizontal. According to Laurent H. diaphanus is very similar to H. frontalis but lacks the light triangle on the snout. The extremities of H. diaphanus are yellow rather than orange-red. H. diaphanus is also somewhat smaller.

This species shows developmental changes in patterning, with two phases, J (juveniles and many mature males) and F (mature females and some mature males). All newly metamorphosed individuals are phase J, which is normally brownish to green with paired light dorsolateral lines, or an hourglass pattern. All females, and some males, develop into phase F before the first breeding season. Phase F is often colorful and variable, showing the diagnostic color characteristics for the species or subspecies. Either well-defined morphs may be present, or graded variation.

This account was taken from "Treefrogs of Africa" by Arne Schiøtz with kind permission from Edition Chimaira publishers, Frankfurt am Main.

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