Possible Clues:

• Put small amount on European swimmer
• Thereby hangs a tail - and a stick at the end
• A little European (Frog, perhaps?)
• Aquatic larva of frog or toad
• Immature swimmer
• Prepared to plead for little swimmer
• Young enough to have a stick - and a tail - at the end
• The little one has a stick at the end and a tail at the end
• Frog in formation
• An embryonic frog