Related Clues:

• Streamlined swimmer's defective equilibrium giving nothing away
• River to rise -- that same river's trapped creature
• Poor pies prepared by large sleepy type with one eye open
• Whale needs power, alternatively graceful bearing
• Sea creature quietly being collected, or cornered
• Relative of a dolphin
• Left on boat with temperature missing elegance shown by ocean dweller
• Beakless whale
• Marine mammal having power, initially, or composure
• Sea creature having little power or balance
• Creature which is expert rolling in elegance
• Short-snouted genus of cetaceans related to the dolphins
• Dolphin relative
• Marine creature with compact power or elegance
• Sea creature shows weak balance with oxygen originally depleted