How many Number of feelers on a crayfish?

What kind of algae form the giant kelp forests off the coast of California? A salmon moves from a saltwater ocean to a freshwater river. What takes place in the salmon's cells as it moves? Is air dry clay which is already hard safe to put in a fish tank? How do great white sharks breathe? What would be in competition with the great white shark? What kinds of livestock does Costa Rica have? Do you have a picture of Alva John Fisher? How do you get bettas to know each other? Can a male goldfish stress a female? Why does your betta fish stay vertical? How fast do tanks move? Does glo-fish and guppies get along? Can I put 2 pieces of amethyst in my fish tank? Where can you buy a stingray tail? Can i put steel on kitchen floor? What makes up a marine food web that includes great white sharks? What kind of animals does a starfish eat? How often to feed clown fish? How many teeth do cookiecutter sharks have? How do crabs walk?