Family Mustelidae
This family regroups all weasels, martens, ferrets, otters and their relatives.

Aonyx cinereus – Asian small-clawed otter
Arctonyx collaris – Hog badger
Lontra canadensis canadensis – North American River Otter
Lontra canadensis lataxina – North American River Otter
Lontra canadensis pacifica – North American river otter
Lutra lutra chinensis – Eurasian otter
Lutra sumatrana – Hairy-nosed otter
Lutrogale perspicillata perspicillata – Smooth-coated otter
Martes flavigula borealis – Yellow-throated Marten
Martes flavigula peninsularis – Yellow-throated marten
Martes flavigula robinsoni – Yellow-throated marten
Martes melampus – Japanese marten
Melogale moschata subaurantiaca – Small-toothed ferret-badger
Melogale personata personata – Large-toothed ferret-badger
Mustela nigripes – Black-footed Ferret
Pteronura brasiliensis – Giant otter