Whale sharks are the biggest fish that live. Only a few species of whale are larger. The whale sharks are plagued by remoras, fish that cling to them with suction cups on their heads, creating extra ...

DJIBOUTI, INDIAN OCEAN - DECEMBER 2007: Close-up of the enormous gill slits of a whale shark ... More (Rhincodon typus) on december 01, 2007, in the Gulf of Tadjourah, Djibouti, Indian Ocean.

The silky sharks are able to pick of the remoras as the whale sharks swim around the islands. Trevallies are large enough to do the same, but also small enough to go inside the gill slits and the ...

Whale sharks use their gills to "strain" their prey from the water as they swim. In Royer's video from Oahu, the whale shark can be seen luring small anchovies toward its huge open mouth.

And whale sharks, which can reach up to 39 feet in length, ... while other footage of scalloped hammerheads in shallow waters show their gills slits open, write the authors. ...

In 2014, a remarkable encounter with a whale shark sparked a journey of discovery off the coast of Madagascar's Nosy Be. ... filtering vast amounts of water through their gills.