These marine snails combine exceptional vision, protective shells, and acrobatic leaping ... "Unlike the big, colorful eyes of the conch snails, their smaller-eyed relatives have a reduced lens ...

But in fact, any big shell will do—such as a conch. With a few of its suckers, this octopus is holding two halves of a clamshell. As you watch, it drops them and hoists itself up a little.

The ocean is full of surprises, with one of them being the abilities of the big-eyed conch snail. Usually, snails […] ...