Organizations exist to help sea life found entangled in debris, and even to do bulk removals of debris from our oceans, but ...

The scientists who led the study believe the sharks do so by clamping their gills shut to avoid cold water coming into their bodies, a never-before-seen survival strategy. That means the sharks ...

After several bites, the tiger shark captured the diver’s camera in its mouth. The device kept recording as the fish attempted to swallow the camera getting a close look at its gills and razor ...

Sharks are more sought-after than ever. Yet, recreational anglers have become increasingly irate toward these species, ...

And they have five, six, or seven gill slits per side, not one per side as in bony fish. Some sharks lay egg cases with developing embryos inside. These sharks are called oviparous (born from an egg).

basking sharks eat tiny organisms called zooplankton. Swimming with their three-foot-wide mouths agape allows them to take in water and filter out plankton using gill rakers, special organs that ...

(Ram ventilators like hammerheads and great whites must swim to pass water over their gills.) So the answer is no, emphatically. There are even some sharks with spiracles, holes on the top of ...

The frilled shark lives deep near the bottom of the ocean, avoiding the attention of the media. It gets its name from the six sets of frilly gills that sit like a collar behind its head.

Both sharks and rays have gills. Most have five but a few species of shark have six or even seven. On a shark the gills are found on both sides of the head, whereas in rays they are found on the ...