Related Clues:

• Hopper's earliest form? Piece in American bar
• Frog's larval stage
• Little European pond-dweller
• Immature creature, bit extreme
• One developing to leap around pond finally?
• Swimmer hoping to develop into jumper
• Staff supporting little swimmer in pool
• Swimmer thanks head of diplomatic staff
• One who grows up, then eventually croaks
• Little European 4
• Creature might ultimately do leap when developed
• Little perch, perhaps, one seen in a pond
• Young swimmer to plead being injured
• Touch European pond creature
• Tailed aquatic larva