Related Clues:

• Flounder's frat pal in 'Animal House'
• Animal sought in 2016's 'Zootopia'
• Man working with Clay takes head off playful swimmer
• Oyster cracker?
• Frolicsome marine critter
• One lives by the river, that's comparatively warm in the East End
• Playful animal on a stream bank
• Aquatic creature's fiercer blowing top
• Aquatic relative of a ferret
• Young wizard has no power to create animal
• Waterslide constructor
• Mammal that enjoys waterslides
• Animal more passionate, hard to avoid
• Sleek river mammal
• Animal discovered within earshot, terrified