This study reports the first record of the rare terrestrial leech Chtonobdella catenifera (Moore, 1938) in the Barisan Nature Reserve, Sumatra, Indonesia, where 12 specimens were found attached to their vertebrate host: the Spiny Hill Terrapin Heosemys spinosa (Gray, 1831) and the Sundaic Giant Tortoise Manouria emys Schlegel & Müller, 1840 belonging to the families Geoemydidae and Testudinidae, respectively. These findings represent the first confirmed cases of haematophagy of C. catenifera
