| | Echinoderm Pictures You can view pictures of echinoderms, including sea stars, sea cucumbers, brittle stars, sea daisies, sand dollars, sea urchins and more here.... Read more | Gharial Pictures Gharials are a critically endangered species of crocodilian most notable for their long, slender snout. View pictures of gharials in this photo gallery.... Read more | Sea Cucumbers - The Sausage-Like Echinoderms Sea cucumbers are sausage-shaped echinoderms that include about 1250 species. Sea cucumbers have a reduced endoskeleton that consists of tiny ossicles (made of calcium carbonate) embedded in the body wall.... Read more | Fishes Fishes are a diverse group of vertebrates and represent an informal collection of animals, not a true taxanomic class. For the purposes of this website, we recognize four groups of fishes including hagfish, lampreys, cartilaginous fishes and bony fishes. There are more than 24,000 species of fishes alive today. The articles listed below provide information about the characteristics, classification and evolution of fishes. | | | | Animals / Wildlife Ads | | | | Featured Articles | | | | More from About.com | | | | | | Bake Sale Bestsellers Make your next bake sale a profitable one with these irresistible recipes. More>
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