Does ghost sharks exist

Can a fish die from being half eaten to death by its tank mate? Why is the fish staying at the bottom of the tank? How do you fit clutch plates? Figure Eight Puffer problem I have 3 Figure 8 puffers and one of them cant keep its tail straight and lies on the bottom it tries to swim but cant his tail is just curved up Whats wrong? What is the dark layer on the bottom of salmon? How many sea horses are left in the world today? Is the shark attacking helicopter picture real? What happens when you fish sinks to the bottom of the tank? What trait separates female great white sharks from their male counterparts? What kind of fish has teeth? In general what future separates two ecozones? What are chin barbles? What is a salmon returning from the sea to the river for the first time called? Can you heat up bottled water in the microwave to put in your betta's tank? Where people see sharks and fishes? What fish can live with guppies? Can you eat sand dollars? What kind of fish is Japanese fish? Are northern pike warm blooded or cold blooded? Is it true that saltfish has hair and hands?