“A new otter of giant size, Siamogale melilutra sp. nov. (Lutrinae: Mustelidae: Carnivora), from the latest Miocene Shuitangba site in north-eastern Yunnan, south-western China, and a total-evidence ...
Giant river otters of the Peruvian Andes, which grow up to 18 feet long, are highly social, living and feeding together as families all their lives.