Related Clues:

• Aquatic mammal with roe -- half-hearted adaptation to marine environment
• Salt facility
• Good standing in the Navy?
• Steadiness on a ship
• Marine mammals, perhaps captured -- one hopefully has them on board
• Good thing to find on a boat
• Marine mammals circling for example -- sailors want them
• Ability to balance on board
• Ability to keep one's balance on a ship
• Balance for one second on large animal
• Close up examples of adapted balance
• With these, one can surely walk on water
• Sailor's balance
• Good standing with sailors?
• Steadiness on a boat