Do sharks eat apples

Do fish eat dirt? There are goldfish outside in a huge iron bowl and the water is rusty so what can you use to seal iron from rusting that is not toxic to fish? Do trout jump out of water? What is the color that fish can't see? How do you sex ruby sharks? How does the whale shark adapt to its environment? Do sharks eat boys or girls? How many gallons of water per square inch? Is deep water more or less dense than shallow water? What are the different ways julia shows compassion for the trout? Is 50 watt heater too much power for a 3 gallon fish tank? Are humans harming the longevity of a manta ray? How do you prepare for a pet shark? In plural form of FISH what do you say fish are or fish is? What is the liver for a fish? When do wobbegong sharks sleep? Can maggots grow on pork in sealed container? What are some ways to spell fisher? What fish jump? Who are a tiger shark enemies?