Archive for January, 2009
Mmm, basically the current closest to the ocean floor is moving offshore and dumps small piles of sand right at the wave break area. Think about it – once you walk right past the sand bar – that’s where all of the good waves are, right?
The sand accumulates to various degrees, and regardless it makes [...]
Well…no, but they do have skeletons. Confused? Many people are. Some folks are so confused that they think sharks’ boneless nature makes them invertebrates.
Sharks do have skeletons, just like you, but they’re made of cartilage rather than bone. Cartilage is the flexible stuff in the tip of your nose. A cartilage skeleton has its advantages. [...]
Sorta. Stingrays and sharks are very closely related. They belong to a group of fishes called the elasmobranchs. All elasmobranchs have skeletons made of cartilage (the flexible stuff in the tip of your nose) and 5-7 gill slits. The group includes sharks, rays and skates.
It’s not entirely incorrect to think of stingrays as flattened sharks. [...]
