Asian Small-clawed Otter (Amblonyx cinereus) is the smallest among the thirteen species of otter in the world (Geser and Dollinger 2008). Taxonomically, they belong to Class Mammalia, Order Carnivora, Family Mustelidae, Subfamily Lutrinae (Soffer 2001). They are widely distributed in Southeast Asia, South China and Southern India (Larivie`re 2003), yet in the Philippines it is only known to occur in Palawan (Heaney et al. 2002). Its isolated population is the only known otter species in the Philippines, locally known as “dungon” or “pangkat-pangkatan” (Gonzalez 2010).