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FAQs about Rays, Skates, Guitarfishes Behavior

Related Articles: Saltwater Ray Husbandry By Adam Blundell, Rays, Freshwater Stingrays, Wounds Articles, Sharks, Cartilaginous Fishes

Related FAQs: Batoids 1, Batoids 2, Batoid Identification, Batoid Compatibility, Batoid Selection, Batoid Systems, Batoid Feeding, Batoid Disease, Batoid Reproduction, Shark, Ray Eggs, Wound Management, Freshwater Stingrays: FW Stingray Identification, FW Stingray Behavior, FW Stingray Compatibility, FW Stingray Selection, FW Stingray Systems, FW Stingray Feeding, FW Stingray Disease, FW Stingray Reproduction,

 

Research Paper on stingrays  9/9/06
Hey crew,
  I'm going to be writing a research paper for my physics class soon and I'm going to be doing it on either the Urolophus halleri or Pteromylaeus bovinus (bull ray). I would like to know if there is a calculation in order to calculate the rays growth a year depending on feeding.
<Mmm, not as far as I'm aware... likely you could formulate some empirical formula here... accounting for food volume, type, temperature, metabolite effects... much more>
How many inches do you think both of the rays grow a year? In the wild and in public aquariums.
  <Age/length data exist at least for halleri (have you seen fishbase.org re yet?>
  Thanks,
  Ben
<Bob Fenner>

Yellow Stingray
Hi Bob,
I found out what that stingray was, a yellow stingray like I thought.  I would have gotten it too if I was for sure.  I was just wondering if you know how active yellow stingrays are?  Are they nocturnal?  Also do you think it would be more active then a bamboo shark?
Thanks
Adam Siders
<Yellow stingray? Urobatis jamaicensis? http://www.fishbase.org/Summary/SpeciesSummary.cfm?genusname=Urobatis&speciesname=jamaicensis
Likely so... not active... spend almost entire time still, setting on top or just under the substrate. Bob Fenner>






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