Smooth-Coated Otter (Lutrogale perspicillata)
The smooth-coated otter is a relatively large otter, from 7 to 11 kg in weight and 59 to 64 cm in head-body length, with a tail 37 to 43 cm. They rest on sandy riverbanks and establish their dens under tree roots or among boulders. They mark their playground by urinating and sprainting on rocks or vegetation. They communicate through vocalisations such as whistles, chirps, and wails. They feed mainly on fish including Trichogaster, climbing gourami and catfish. During the rice planting season, they also hunt rats in rice fields. Snakes, amphibians and insects constitute a small portion of their diet.