Early Animal Encyclopedias: Sharks

Early Animal Encyclopedias: Sharks book cover — Introduction Australian Swellshark Basking Shark Bigeye Thresher Shark Bluntnose Sixgill Shark 10 Blacknose Shark 12 Blacktip Reef Shark 14 Blacktip Shark 16 Blue Shark 18 Caribbean Reef Shark 4 20 Bonnethead Shark 22 Brownbanded Bamboo Shark Bull Shark Caribbean Sharpnose Shark 6 8 Common Thresher Shark 24 26 28 30 Chain Dogfish Shark 32 Common Angelshark 34 Common Sawshark 36 Common Smooth-Hound Shark 38 40 Cookiecutter Shark 42 Dusky Shark 44 CONTENTS Frilled Shark 46 Goblin Shark 48 Gray Reef Shark 50 Great Hammerhead Shark 52 Great White Shark 54 Greenland Shark 56 Gulper Shark Horn Shark 58 60 Lemon Shark 62 Leopard Shark 64 Megamouth Shark 66 Necklace Carpetshark Nurse Shark Oceanic Whitetip Shark 68.70 72 Ornate Wobbegong 74 Pacific Angelshark 76 Porbeagle Shark 78 Port Jackson Shark 80 Puffadder Shyshark 82 Salmon Shark 84 Sand Tiger Shark 86 Sandbar Shark 88 Scalloped Hammerhead Shark 90 School Shark 92 Sevengill Shark 94 Shortfin Mako Shark 96 Sicklefin Lemon Shark Silky Shark Silvertip Shark Small-Spotted Catshark 98 100 102 Smalleye Hammerhead Shark Tasselled Wobbegong 104 106 Spinner Shark 108 Spiny Dogfish Shark 110 Glossary Index 112 Tawny Nurse Shark 114 Tiger Shark 116 Whale Shark 118 Whitespotted Bamboo Shark.120 Whitetip Reef Shark 122 Zebra Shark 124 126 127

Early Animal Encyclopedias: Sharks — page 1 — 4 INTRODUCTION What Are Sharks Sharks are fish A shark's skeleton is made of cartilage instead of bone This helps sharks float Sharks breathe through gills Their skin is made of tiny sharp scales Sharks have good eyesight and hearing They also have a good sense of smell There are more than 500 different shark species They range in size from less than 7 inches 18 cm to more than 55 feet 17 m long Most sharks are gray But they can be many other colors Some have spots or stripes Sharks eat plankton shellfish fish and ocean mammals such as seals Sharks bite off pieces of their food They swallow each piece whole Sharks have many teeth When a shark loses a tooth a new one takes its place Sharks have lived in Earth's oceans for more than 400 million years Only a few species of

Early Animal Encyclopedias: Sharks — page 2 — caudal tail fin Shark Fins dorsal fin pelvic fins pectoral fins sharks will bite humans When they do it is usually because they are confused or afraid 5

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