National Aquarium - Imagine if you had to move around just to breathe! That's the case for sharks that breathe via ram ventilation. However, not all sharks need to swim to breathe.
![Leo Chan Gaskins on Twitter: "Lemon Sharks (Negaprion brevirostris) are very adaptive! Sharks have two ways to breathe - either obligate ram ventilation (must swim to breathe to get water past gills) Leo Chan Gaskins on Twitter: "Lemon Sharks (Negaprion brevirostris) are very adaptive! Sharks have two ways to breathe - either obligate ram ventilation (must swim to breathe to get water past gills)](https://pbs.twimg.com/media/Dr-bikSWwAAh2tM.jpg)
Leo Chan Gaskins on Twitter: "Lemon Sharks (Negaprion brevirostris) are very adaptive! Sharks have two ways to breathe - either obligate ram ventilation (must swim to breathe to get water past gills)
Virginia Aquarium & Marine Science Center - Sharks typically breathe in one of two ways: ram ventilation (constant swimming forcing water over gills) or push-pull ventilation (using a spiracle to pull water
![Showcasing sharks of Washington this shark week | by The Washington Department of Fish and Wildlife | Medium Showcasing sharks of Washington this shark week | by The Washington Department of Fish and Wildlife | Medium](https://miro.medium.com/max/1400/1*OnGW1pGryOe-dBMeNGLUIA.jpeg)