Related Clues:

• 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
• Furry water-loving mammal
• Creature that swims from pilot, terrified
• Playful, furry swimmer
• Certain Thames swimmer