Do sardines use gills to breath?

Why does do guppies loose there black spot when put in a breeding box? When did the megladon shark become extinct? Why whale shark is a fish? Can Whale Sharks Eat People? What is the life cycle of a whale shark? What is an example of commensalism in an aquarium? 55 gallon reef aquarium in which you have had 3 pipefish they have all disappeared without a trace do pipefish bury themselves in the bottom the bottom substrate is crushed coral.? What is the Migration pattern of a pufferfish? The prefix multi- is Latin for “many.” What is the definition of multimediaA.doing several tasks at one timeB.using many forms of expressionC.using many types of paperD.taking many types of transportation? How does fox catch a fish? What happens to a bull sharks body when they enter fresh waters? Was any one famous born in moray? How many layers does each gill have on a perch? What continent does salmon live? What is a sentence using the word minnow? What is a mother catfish called? Is a snow shark real? What creature ends in out? When was the blobfish discovered? Is a bullhead fish a consumer?