Eyewitness DVD - Fish

Leírás

Here is an exciting and informative guide to the fascinating world of fish. Striking color photographs of tropical fish, eels, seahorses, and more offer a unique "eyewitness" view of the natural history of fish, how they behave and how they survive. Seethe lethal jaws of a piranha, a porcupine fish "puffing up," how a dogfish swims, growth rings on a fish scale, what a fish looked like 400 million years ago, and a fish with legs. Learn how a school stays together, why some fish swim upside down, how astingray stings, which male fish can "give birth," how stickleback builds its nest, and why fish need water to breathe. Discover why a shark must keep swimming, how a ray can give an electric shock, what eyespots are for, how an archerfish "shoots" a victim, and much, much more!