- and Chimaeras 1 Introducing Sharks, Skates, Rays,
- What is this book about?
- What are sharks and how are they classified?
- How many kinds of sharks are there?
- How did sharks get their name?
- Where do sharks live?
- When did sharks evolve?
- What are the largest and smallest sharks alive today?
- What is the fastest shark?
- What is the largest shark that ever lived?
- Where can I find fossil shark teeth?
- or an ocean? How can you tell whether a fossil shark lived in a river, a lake,
- Why are sharks important?
- Why should people care about sharks?
- 2 Form and Function of Sharks
- What is the metabolism of a shark?
- Are sharks cold-blooded or warm-blooded?
- What kind of teeth do sharks have?
- How many teeth does a shark have during its lifetime?
- Do a shark’s teeth change during its life?
- What is the skeleton of a shark made of?
- Does a shark have senses like ours?
- How good is a shark’s sense of smell?
- How well can sharks hear?
- How well can sharks see?
- Can sharks see color?
- How do sharks detect electric fields?
- Do sharks sleep?
- Do sharks have scales like other fishes?
- How do sharks breathe under water?
- Must a shark keep swimming to breathe?
- How do sharks swim?
- How do a shark’s fins function during swimming?
- How long can a shark live out of water?
- Why do hammerhead sharks have such strange heads?
- What kind of brains do sharks have?
- How large is a shark’s brain?
- 3 Shark Colors
- bottom? Why are so many sharks dark on top and light on the
- Which sharks aren’t countershaded?
- Are any sharks colorful?
- Are any sharks colorless?
- What causes the different colors of sharks?
- Is there a reason for the color patterns of sharks?
- What color are a shark’s eyes?
- Do a shark’s colors change as it grows?
- different seasons? Do a shark’s colors change at different times of the day or in
- species? Is there much geographic variation in the color of a shark
- 4 Shark Behavior
- Are sharks social?
- Do sharks form schools?
- Can sharks tell one another apart?
- Do sharks fight?
- Are any sharks territorial?
- Do sharks socialize with other kinds of animals?
- sticking out? Why do sharks swim at the surface with their dorsal fins
- How smart are sharks?
- Do sharks use tools?
- Do sharks play?
- Do sharks talk?
- What is “tonic immobility”?
- 5 Shark Ecology
- Do sharks migrate?
- How do sharks navigate?
- How many shark species live in rivers and lakes?
- How far down in the ocean do sharks live?
- Which geographic regions have the most species of sharks?
- Which sharks are most or least abundant?
- When during the day are sharks most active?
- How do sharks survive the winter?
- How do sharks survive droughts?
- Are there sharks in the desert?
- Do sharks have any enemies other than humans?
- How do sharks avoid predators?
- Do sharks get sick?
- Do sharks have parasites?
- How can you tell if a shark is sick?
- Are sharks good for the environment?
- 6 Reproduction and Development
- How do sharks reproduce?
- Do sharks lay eggs or do they give birth to live young?
- How long do female sharks hold young in their body?
- case? How long does it take for a baby shark to hatch from an egg
- Where do sharks lay their egg cases or give birth?
- and places every year? Do sharks give birth or lay their egg cases at the same times
- How many young does a mother shark produce?
- How often do sharks reproduce?
- What is a baby shark called?
- Are all the baby sharks in a mother full siblings?
- Do sharks care for their young?
- How is the sex of a shark determined?
- Can sharks reproduce asexually?
- Is there such a thing as a hybrid shark?
- Do male and female sharks live together?
- At what size and age do sharks mature?
- How long do sharks live?
- How fast do sharks grow?
- How can you tell the age of a shark?
- 7 Foods and Feeding
- What do sharks eat?
- How do sharks find food?
- How do sharks catch their prey?
- When do sharks feed most?
- How often must sharks feed?
- Do sharks chew their food?
- How do sharks eat hard-shelled animals?
- Do sharks store their food?
- Must a shark turn on its back to feed?
- Do sharks cooperate with one another to feed?
- 8 Sharks and Humans
- Do sharks make good pets?
- What is the best way to take care of a pet shark?
- Are any medicines made from sharks?
- Do sharks feel pain?
- What should I do if I find an injured shark?
- What should I do if I find a shark that looks diseased?
- How can I see sharks in the wild?
- How can I see sharks in captivity?
- 9 Shark Problems (from a human’s viewpoint)
- Are some sharks pests?
- Can there be too many sharks in an area?
- Are sharks dangerous to people?
- Why do sharks attack people?
- How likely are shark attacks?
- marks? Can scientists estimate the size and species of a shark from bite
- How can sharks be repelled?
- Do sharks have diseases and are they contagious?
- Is it safe to eat sharks?
- What should I do if I’m attacked or injured by a shark?
- 10 Human Problems (from a shark’s viewpoint)
- Are any sharks endangered?
- Will sharks be affected by global warming?
- Are sharks affected by pollution?
- How are sharks affected by litter?
- How do people catch sharks?
- Why do people hunt sharks?
- How are shark fisheries managed?
- What is bycatch and can it be reduced?
- What is finning?
- Is there such a thing as shark leather?
- Is there such a thing as shark jewelry?
- What other parts of sharks are used by humans?
- Are boats dangerous for sharks? Contents ix
- What can an ordinary citizen do to help sharks?
- 11 Sharks in Stories, Media, and Literature
- What roles do sharks play in religion and mythology?
- What roles do sharks play in Western religions?
- writings? Did early philosophers and naturalists mention sharks in their
- What roles do sharks play in various cultures?
- What roles do sharks play in popular culture?
- What roles have sharks played in art and literature?
- 12 “Sharkology”
- Who studies sharks?
- Can anyone study sharks?
- Which species are best known?
- Which species are least known?
- How do scientists tell sharks apart?
- How do scientists study the movements of large sharks?
- World Appendix A: Sharks, Skates, Rays, and Chimaeras of the
- Conservation of Sharks Appendix B: Organizations That Promote the Study and
- Information on Sharks Appendix C: Websites That Provide Useful and Accurate
- Bibliography
- Index
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