Ancient relatives of sharks first appeared in the world's oceans about 400 million years ago. Today, sharks are classified among the elasmobranchs, which also includes the rays and skates. There are over 350 known species...
Sharks are a group of fish characterized by a cartilaginous skeleton, five to seven
gill slits on the sides of the head, and pectoral fins that are not fused to the ...
Jan 27, 2016 ... Official site. Includes news, player and ticket information, chat, Sharks e-mail,
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There are more than 465 known species of sharks living in our oceans today.
Sharks are an apex predator at or near the top of their marine food chains, and ...
- denizons of the deep! Links to all kinds of shark
fishing. More »
Sharks at Zoom School is all about Sharks, shark anatomy, extinct sharks, shark
Learn all you wanted to know about sharks with pictures, videos, photos, facts,
and news from National Geographic.
Live every week like it's Shark Week! Watch the best shark videos on the web,
dive in to a world of shark facts on Sharkopedia, get the latest shark news on ...
Feared by most, loved my some and hunted by many, sharks are one of the most
mysterious groups of creatures roaming the Earth today. Defined as a fish with ...
There are more than 500 species of sharks swimming in the world's ocean. Yet
when most people think of these cartilaginous fish, a single image comes to ...