Benarson, E.S. & P. Nečas (2025) Ecological and Taxonomic Notes on Calumma radamanus (Mertens, 1933) in the Antalaha Region of Northeastern Madagascar. Archaius 2(2): 2

Benarson, E.S. & P. Nečas (2025) Ecological and Taxonomic Notes on Calumma radamanus (Mertens, 1933) in the Antalaha Region of Northeastern Madagascar. Archaius 2(2): 2 Calumma radamanus is a small, soft-nosed chameleon endemic to the humid lowland forests of northeastern Madagascar. Long misclassified within the Calumma nasutum complex, it was revalidated through integrative taxonomic methods combining osteology, external morphology, and genetic data. This paper synthesizes morphological, ecological, and historical information with emphasis on populations in the Antalaha region. The species exemplifies cryptic biodiversity and highlights conservation needs in degraded Malagasy habitats. Keywords: Madagascar, chameleon, Calumma radamanus, Antalaha, taxonomy, conservation biology, cryptic species