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Osteichthes

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by

Mark Van Arsdale

on 10 May 2017

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Transcript of Osteichthes

Body Form
Osteichthes (the bony fish)
Bones, Jaws, and Scales
Caudal fin shape determines speed
Torpedo (fusiform)
Body Form
Gills
Adaptations
Schooling
Counter shading
Coloration
Other Defensive Adaptations
Reproduction
Oviparity (depositers)
Oviparity (brooders)
Oviparity (broadcasters)
Fish demonstrate incredible diversity of form
One Sided
Pan shape
Attenuated (elongated)
Unusual
Heterocercal
Homocercal (rounded)
Homocercal (truncate)
Homocercal (forked)
Disruptive coloration
Eyes
Lateral line
toxins
electricity
bioluminescence
Can involve:
migration
singing
nest building
hermaphodism
http://www.arkive.org/sockeye-salmon/oncorhynchus-nerka/video-08a.html
http://www.nytimes.com/2008/04/08/science/08fish.html?pagewanted=all&_r=0
Just for fun
Extreme Fin Adaptation
https://rumble.com/v39c5t-frogfish-in-bali.html
Full transcript