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Save The Sharks on Twitter: "Did you know that sharks, unlike other fishes, do not have an operculum, which is a hardened protective lid over the gill! Sharks have two different ways
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Metabolism, Energetic Demand, and Endothermy J.K. Carlson, K.J. Goldman, and C.G. Lowe. - ppt download
The Whitetip Reef Shark : Most shark species rely on ram ventilation and have to keep swimming in order to breathe. But the whitetip reef… | Instagram
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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)
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