Related Clues:
- Flounder's frat brother in ''Animal House''
- Playful fish eater
- Carnivorous aquatic mammal
- Riverbank cavorter
- Web-toed mammal
- Sea ___, denizen of the North Pacific
- Water-loving mammal
- Aquatic-fun lover
- Tutu wearer in 'Fantasia'
- Whale relative
- Mammoth mammal
- River horse
- Ferret's kin
- ''Animal House'' animal
- Two-ton beast