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The Non-Bony Fish

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by

Mark Van Arsdale

on 3 March 2017

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Transcript of The Non-Bony Fish

Chondrichtyes
Sharks and Rays
Shark Adaptations
Shark Conservation
The Non-Bony Fish
Agnatha
Hagfish
Sensory Adaptations
Lamprey
Image from:
http://www.wired.com/images_blogs/wiredscience/2011/03/hagfish-linda-snook-noaa-cbnms.jpg
Hagfish use slime as a dense
Hagfish are scavengers
Lamprey are parasites
Rays
Sharks
http://www.arkive.org/blue-shark/prionace-glauca/video-00.html
http://www.arkive.org/bat-ray/myliobatis-californicus/video-00.html
Lateral Line
Ampullae of Lorenzini
Smell
Sound
Sight
External Anatomy
Caudal Fin
First Dorsal Fin
Second Dorsal Fin
Dorsal Surface
Ventral Surface
Nostrils
Gill Slits
Pectoral Fins
Pelvic Fins
Claspers
Anal Fin
Shark Reproduction
http://www.southernfriedscience.com/?p=14393
Shark Attacks
In 1996, toilets injured 43,000 Americans. Sharks injured 13.
You have a one in 63 chance of dying from the flu and a one in 3,700,000 chance of being killed by a shark.
You have a one in 218 chance of dying from a fall and a one in 3.7 million chance of being killed by a shark.
1n 1996, buckets and pails injured almost 11,000 Americans. Sharks injured 13.
In 1996, room fresheners injured 2,600 Americans. Sharks injured 13.
The U.S. averages 19 shark attacks a year. Lightning kills about 41 people a year in coastal states alone.
Feeding Adaptations
What things do you know about me?
T/F? Sharks are all predators with big teeth.
T/F The number of shark attacks are rising.
T/F The number of shark attacks are rising?
T/F Sharks don't get cancer.
T/F Sharks must keep moving to breath.
T/F Sharks are ancient fishes, having changed very little in 400 million years.
https://sharksrays.org/
Full transcript