Presentation is loading. Please wait.

Presentation is loading. Please wait.

Class: Condrichthyes Sharks, Rays, Skates, and Chimaeras Michael Slonkosky Kyle Moran Matt Gregory.

Similar presentations


Presentation on theme: "Class: Condrichthyes Sharks, Rays, Skates, and Chimaeras Michael Slonkosky Kyle Moran Matt Gregory."— Presentation transcript:

1 Class: Condrichthyes Sharks, Rays, Skates, and Chimaeras Michael Slonkosky Kyle Moran Matt Gregory

2 - Jawed Fish - Paired Fins - Paired nostrils - Two Chambered Heart - Cartilage Skeleton

3

4

5 - Tough Skin Covering - Dermal Teeth/Denticles - Continue towards mouth - Specialized Version: Teeth

6

7

8

9

10 - Reproductive strategies. - Rays: live bearing (viviparous) - Skates are egg laying (oviparous) - Appearance - Skates have a prominent dorsal fin - The dorsal fin is absent or reduced in rays - Most rays are kite-shaped with whip-like tails containing barb - skates have fleshier tails and lack spines. - rays are generally much larger than skates. - Skates have small teeth - Rays have plate-like teeth for crushing prey. -Protection Rays : stinging spines or barbs skates : thorny projections on their backs and tails

11

12 75.jpg/ /Palms/8718/anatomy.html&h=258&w=600&sz=22&hl=en&start=1&tbnid=llUbjN83DFpftM:&tbnh=58&tbnw=135&prev=/images%3Fq%3DExternal%2BAnato my%2Bof%2BShark%26gbv%3D2%26hl%3Den%26sa%3DX on/Physiology.html&h=225&w=320&sz=42&hl=en&start=17&tbnid=8Qn- rOCXra5DnM:&tbnh=83&tbnw=118&prev=/images%3Fq%3DExternal%2BAnatomy%2Bof%2BStingRay%26gbv%3D2%26hl%3Den%26sa%3DX =en&start=25&tbnid=uZAcsfzQKcZxNM:&tbnh=70&tbnw=116&prev=/images%3Fq%3DPlacoid%2BScales%26start%3D20%26gbv%3D2%26ndsp%3D20%26hl %3Den%26sa%3DN on/questions/RayBasics.html&h=489&w=500&sz=95&hl=en&start=600&um=1&tbnid=3WZPqr4rZHhJnM:&tbnh=127&tbnw=130&prev=/images%3Fq%3DSkate s%26start%3D580%26ndsp%3D20%26um%3D1%26hl%3Den%26sa%3DN chimaera.htm&h=250&w=471&sz=15&hl=en&start=1&um=1&tbnid=sgr_s5sZQUWW5M:&tbnh=68&tbnw=129&prev=/images%3Fq%3DChimaeras%26um%3D1 %26hl%3Den


Download ppt "Class: Condrichthyes Sharks, Rays, Skates, and Chimaeras Michael Slonkosky Kyle Moran Matt Gregory."

Similar presentations


Ads by Google