1. Unusual Sharks

2. Demersal- fish that live on the bottom of the ocean
Rays
500 species
Usually have live young
Modified body
Flattened body
Thin tail
Enlarged pectoral fins
5 gill slits on ventral side and Eyes on top
Demersal- fish that live on the bottom of the ocean
Stingrays
Whip like tail with spine
Barb on spine with venom
Defensive only

3. Electric Rays Manta Rays Pectoral fins look like wings Not demersal
Powerful electric charge of 200 volts!
2 special glands.
Manta Rays
Pectoral fins look like wings
Not demersal
Feed on plankton
Up to 22 ft across!

4. Skates
Fleshy tail
No spines
Lay egg cases