Pertaining to scales or covered with scales?

How do salmon feed? What quality of a material affects how much it refracts light? Why is losing a tooth not a problem for a shark? How many goldfish does it take to kill someone? How long does a pond snail live for? What is the behavior of the lionfish? How long will fishing line keep a tongue piercing open? What are clown fish communities? Which fish spends four years at sea and then makes a long and exhausting upstream journey to lay its eggs in the same freshwater creek where it was hatched? Compare and contrast the lifestyles of lampreys and sharks? Does guppy feed young with milk? Do orbeez grow bigger in tap water? What does it mean if a fish is upside down in your pond? Are sea horses classified as fish? Are sharks attracted to other sharks blood? Why do the Maidu hold a salmon festival each year? What water temperature and pressure for hammerhead sharks? Which animal lays squares eggs? Do muskrats eat phytoplankton? What color does indigo and salmon make?