This document provides an introduction to sharks, including their evolution, anatomy, senses, reproduction, perception in different cultures, conservation issues, and presence in Honduras. It discusses how sharks evolved over 400 million years ago, have a cartilage skeleton and various anatomical features. The document also addresses shark reproduction methods, how they are viewed in different cultures, threats like finning and how over 100 million sharks die annually, as well as provides suggestions for how readers can help sharks.

1. INTRODUCTION TO SHARKS
Whale Shark and Oceanic Research Centre

2. Table of Contents
 1. What are Sharks?
 2. Evolution
 3. Anatomy
 4. Shark Senses
 5. Repoduction
 6. How Sharks are Percieved
 7. Conservation
 8. Sharks in Honduras
 9. What you can do

3. What are Sharks ?
 Group of fish
 Cartilage skeleton
 5-7 gills
 Selachiforma
 Pectoral fins not
fused to the head

4. Shark Evolution
 400 million years ago in the Devonic era
 Hard to study fossils

5. Shark Evolution

6.  Cartilage skeleton
 Jaw
 Teeth
 Fins (ceratotrichia)
 Dermal denticles
 Tails
 Livers
Shark Anatomy

7. Shark Senses
 Sight
 Smell
 Hearing
 Electro perception
 Laeral lines

8. Shark Reproduction
 Internal fertilization
 Oviviparous
 Oviparous
 Viviparous

9. How sharks are percieved
 In Hawaiian culture
 In Western culture
 In Eastern culture

10. Conservation
 100 million sharks a year die
 South Africa first country to legally protect sharks
 USA and EU leading the charge against shark finning
 CITES

11. Sharks in Honduras
 Shark Finning
 Shark Chumming
 Sharks in Utila

12. What can you do?
 Help research
 Don’t shark products
 Educate people about sharks