Fish Anatomy Lesson for Kids

One of the biggest misconception is about sharks and their ventilation (breathing) All 530 species are Ram Ventilators, but most species use a secondary system called Buccal Pumping. These sharks pump water through their gill slits by opening and closing their mouths same as regular fish, allowing them to comfortably lay on the ocean floor and NOT suffocate to death as many people believe. Only a few species are what we call Obligate Ram Ventilators, unable to remain still. These species include

Why Is My Betta Breathing Heavily & Rapidly? (With Solutions) – Pet Fish Online