Related Clues:

• Dark-brown fur
• Sea ___, denizen of the North Pacific
• Water-loving mammal
• Small weasel or its fur
• Otter relative
• Aquatic-fun lover
• Costly fur
• Fur coat material
• Domesticated European polecat
• Black-footed critter
• Ferret's kin
• ''Animal House'' animal
• Marten’s fur
• Somewhat uncommon pet
• Weasel family member