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The spiny dogfish has dorsal spines, no anal fin, ... Countershading, or Thayer's Law, is a form of camouflage. Countershading, in which an animal’s pigmentation is darker dorsally, is often thought to have an adaptive effect of reducing conspicuous shadows cast on the ventral region of an animal’s body...
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www.absoluteastronomy.com/topics/Spiny_dogfish
www.absoluteastronomy.com/topics/Spiny_dogfish
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Not finding your answer? Try searching the web for Dogfish ... Why is a dogfish called a dogfish ... They are called dogfish because they travel and hunt in packs. ChaCha!
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www.ask.com/questions-about/Dogfish
www.ask.com/questions-about/Dogfish
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The dogfish has two dorsal fins, both notched at the back ends. Below the second dorsal fin is a ventral fin. These three fins are used for balance as the fish swims. Two paired fins are also present, the large pectoral fins, and the smaller pelvic fins.
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web.mac.com/biomescenter/Biomescenter.com_annex/about_s...
web.mac.com/biomescenter/Biomescenter.com_annex/about_smooth_dogfish.html
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Although sharks in general are unjustly maligned throughout the world, it’s hard to find a more gentle fish than the smooth dogfish. ... Smooth dogs have the unusual ability among sharks to change their skin color to camouflage with their surroundings. Dermal cells known as melanophores can be willfully manipulated to...
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web.mac.com/biomescenter/Biomescenter.com_annex/essay:_...
web.mac.com/biomescenter/Biomescenter.com_annex/essay:_Smooth_dogfish.html
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Coloration Coloration of the smooth dogfish varies from gray to brown with the underside a yellowish gray to white. It has the ability to change its coloration through the contraction of melanophores to camouflage with its immediate surroundings.
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www.flmnh.ufl.edu/fish/gallery/Descript/SmoothDogfish/S...
www.flmnh.ufl.edu/fish/gallery/Descript/SmoothDogfish/SmoothDogfish.html
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The smooth dogfish has a slender body with an obvious spiracle behind the eye. The caudal fin has a rounded lower lobe and a larger top lobe. The teeth are very small, blunt, numerous and similar in both the upper and lower jaw.
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new-brunswick.net/new-brunswick/sharks/species/smoothdo...
new-brunswick.net/new-brunswick/sharks/species/smoothdogfish.html
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Dogfish on Twitter ... Christmas Gift Ideas at Dogfish ... Latest Dogfish News...
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www.dogfishmen.co.uk/
www.dogfishmen.co.uk/
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Welcome to Dogfishmen. Stockists of designer clothing – Shop Online for Diesel Jeans, Lyle and Scott, Nudie Jeans and other major fashion brands. Click here ... Dogfish on Twitter...
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www.dogfishmen.co.uk/indexpage.asp
www.dogfishmen.co.uk/indexpage.asp
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Overview - While the smooth dogfish prefers shallow water, it has been found at depths up to 650 feet below the surface. The shark is one of several known dogfish, a name resulting from the fact that this type ... Cool Fact - Smooth dogfish can change their color from dark to light, to camouflage themselves from predators.
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dsc.discovery.com/sharks/smooth-dogfish-shark.html
dsc.discovery.com/sharks/smooth-dogfish-shark.html
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