How many types of constricters are there?

How does a fish ladder protect the environment? Can crabs live in your house? Why do sharks put their fin out of the water? How big do eels get? Why did they name it the blobfish? How does a flying fish raise its young? What are craps? Who s nickname is the great white shark? What makes bathroom drains smell? Is crown of thorn star fish poisonous? What are some of the benefits of using the Typer Shark software? Can you keep more than one female in a bowl? What creature ends in out? How do fish? What type of consumer is a seahorse? Do great white sharks drink water? Is there albino largemouth bass? Why is the swim bladder an important evolutionary adamtation in fish? How much salmon is there? In The Fisherman and the Jinnee why is the fisherman pleased when he catches the bottle?