Does school of fish work for herrings?

What can you use for media in your koi filter? Is halibut a whitefish? Where are hammerheads located? How can leaves and grass clippings have a negative effect on aquatic life? Where are fish eyes located on their body? Where in the world can you find bull sharks? Any particular advantages that the tiger uses to eat? What type of consumer is a bass? Why is salmonella bacteria are described as pathogens? How do you keep murk out of your pond? If my mother n law had a dream about fish and my aunt did too does that mean that you might be pregnant? Why does ice form at the surface of a pond instead of at the bottom? Should a twin tail betta fish have high or low turbidity? Do sea horses eat little shrimp? How many liter's in a tank 100cmx100cmx40cm? What is the shape of a dogfish sharks stomach? What do you call a fence placed in a stream to catch fish? Is the great white shark a endothermic or ectothermic? Does the great white shark have sharper teeth than the whale shark? Black ghost knife fish excretion?