What happens to a starfish to become a fossil?

How many electric eels kill people each year? Is a Great White a mammal? Is arrowhead a partly submerged plant? What shark has a tail fin almost the size of its body? What does it mean when a fish's tail is red and shredded apart? Does seahorses have metamorphosis? What is past tense of fishing? Are sea horses cold water fish? What does the direction of a koi fish mean in tattooing? Why do a fish breathe slower in cool water? Does a blob fish have babies or lay eggs? How many live whale sharks are there in the world? What temperature does the water have to be for squids to live in it? Why did Aristotle place turtle and fish in the same group? How deep down can goblin sharks be found underwater? Can a slug survive with a Betta? Why does your betta eyes puff up? What does a bearded fighting fish tattoo symbolize? What is the gel like substance in your pond? How big are Striped Bass?