21-27 mm. Dorsum light brown with regular dark brown pattern (triangular, Y-shaped, and heart-shaped markings) and two spots in the cloacal region. Flanks dark brown, with a sharp dorsolateral colour border. Hindlimbs yellowish-brown with indistinct crossbands. Forelimbs cream to beige. No flashmarks; posterodorsal part of femur and knee hollow orange. Upper part of iris light. Ventrally black with many small rounded whitish blue spots. Throat without continuous horseshoe marking, lower legs orange-red.
Similar species: M. bernhardi.
Taken with permission from Glaw and Vences (2007).
- Glaw, F., and Vences, M. (2007). Field Guide to the Amphibians and Reptiles of Madagascar. Third Edition. Vences and Glaw Verlag, KÃ¶ln.
- Nussbaum, R. and Raxworthy, C. (2008). Mantella haraldmeieri. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 22 April 2009.