PPT-What Would We Do Without Sharks?

Genevieve Rogan Austin Marrs Janet Kim Joe Liverman Whats a shark There are many different types of sharks however experts agree that all sharks share a few common characteristics They are all predators. Ridgeback sharks are sharks with an interdorsal ridge (a visible line of raised skin between dorsal fins) Oceanic whitetip shark: young sharks have black mottling on most fins; does not always have i By Jared. Basking Sharks have a big mouth for catching more fish . and. a pointed nose. The basking sharks are the second largest fish in the world. They grow up to 33 feet long. . Look Like. Where they live. By P2. Japanese Fighting fish. Fact1- They live in small fresh water streams of Thailand.. Fact 2- Fighting was always in their genes but they would only spar for a few minutes until one would give up. Sadly these fish were also bred to fight.. . By. : . Wajeha. . khan. Table of contents . Chapter 1 :Environment , Chapter 2 :Survival , Chapter 3 : Characteristics , Chapter 4 : Development , Chapter 5 : Breeds , Chapter 6 : Fun Fact. . by Mark . Chklovskii. What Do Sharks Eat?. Sharks eat lots of animals. Sharks eat shelled animals, squid, and fish. They also eat seals. They can also eat other sharks. A shark is a . carnivore. . A shark can also eat dolphins, octopus, lobster, and sea urchins. A shark can also eat stingray, sea and sea turtle. . SARASOTA FINS © 2015 . www.sarasotafins.weebly.com. How to tell female vs male shark apart:. Males have claspers (circled in red).. Females do not.. Since sharks don’t have hands, males will bite onto a female’s pectoral fins to hold her steady. He will then get into position, insert one clasper at a time into her cloaca (female genital organ) and produce sperm to fertilize her eggs and reproduce.. SARASOTA FINS © 2015 . www.sarasotafins.weebly.com. This will cover:. Eyes. Teeth. Gills. Fins. S. kin. Ampullae of Lorenzini. By Cole Williamson. Skills of thresher sharks. .Use tail fin to attack or stun prey. .They are very stealthy by staying at bottom of sea. .Can swim up to 30 MPH. Body structure. 16.5- 20 ft. long. Has a huge a, long tale. Phylum . Chordata. Class . Chondrichthyes. Subclass . Elasmobranchii. Superorder. . Selachimorpha. Known as “sea dogs” until the 16. th. century. Name “shark” may have come from the . Yucatec. By Sharon . Guynup. Summary. The article presents facts about the importance of sharks to the environment, their size, the threat they pose to people, the way they hunt and eat, their physiology, and their relationship to other aquatic creatures.. 2 and size depending on the species of shark. ey are direct adaptations for processing food and are tailored to the type of diet the shark eats. For example, a horn shark has molar-like teeth . khan. Table of contents . Chapter 1 :Environment , Chapter 2 :Survival , Chapter 3 : Characteristics , Chapter 4 : Development , Chapter 5 : Breeds , Chapter 6 : Fun Fact. . A shark is a fish – what is a fish?. Three types of ‘fin’ fish or ‘true fish’:. Jawless fish. : ~ 100 species. Primitive. Lack a jaw, cylindrical and elongated bodies, no scales or paired fins. Few commercial uses. e.g. Eels or snakes. CITES Secretariat. Geneva. CITES Appendices and . Sharks. CITES Appendices. Species* regulated under CITES are divided amongst 3 Appendices. I. II. III. * ". Species" means any species, subspecies, or geographically separate population .