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Spiny Dogfish Shark (Squalus acanthias) ... The spiny dogfish is believed to be the worlds' most abundant shark and is the predominant shark species in Alaska. Dogfish occur in depths from the surface down to 3000 feet (900m). They are adaptable predators and are often found in brackish waters around the mouths of...
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www.conservationinstitute.org/ocean_change/predation/sp...
www.conservationinstitute.org/ocean_change/predation/spinydogfish.htm
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Squalidae - Wikipedia, the free encyclopedia
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Squalidae is the family of dogfish sharks . They are found in the Atlantic, Pacific, and Indian oceans, from tropical equatorial climates to the Arctic and Antarctic. Dogfishes are small to medium ...
en.wikipedia.org/wiki/Squalidae
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Dogfish sharks (photo) ... Greenland shark ... ; Spiny Dogfish Shark...
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library.thinkquest.org/J0110481/dogfish.html
library.thinkquest.org/J0110481/dogfish.html
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Information on the Spiny Dogfish Shark found along the Delaware and Maryland coasts. ... The Spiny Dogfish Shark ... The Common Hammerhead Shark...
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www.beach-net.com/Sharkspinydog.html
www.beach-net.com/Sharkspinydog.html
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Information on the Smooth Dogfish Sharks found along the Delaware and Maryland coasts. ... The Smooth; Dogfish Shark ... (Mustelus canis) -- Averaging 3 to 4 feet in length, the Smooth Dogfish Shark is one of the most abundant sharks on the East Coast.
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www.beach-net.com/Sharksmoothdog.html
www.beach-net.com/Sharksmoothdog.html
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Spiny Dogfish Shark Squalus acanthias ... They differ from the Smooth Dogfish Shark by having spines in front of each dorsal fin as well as rows of white dots along the side, both of which are lacking in the Smooth Dogfish Shark.
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www.dnr.state.md.us/fisheries/fishfacts/spinydogfishsha...
www.dnr.state.md.us/fisheries/fishfacts/spinydogfishshark.asp
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Detailed information and stock underwater photographs of Dogsharks and Dogfish Sharks. ... Dogfish are the largest shark family in Australia with 40 species. They range from the smallest of all sharks, the Smalleye Pygmy Shark (Squaliolus aliae), at 22 cm long, to the huge 6 m long Pacific Sleeper Shark (Somniosus pacificus).
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www.marinethemes.com/dogsharks.html
www.marinethemes.com/dogsharks.html
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; Dogfish abdominal cavity ... The tongue is better developed than that of the shark. The pharynx has two pairs of gill slits. On the posterior floor of the pharynx lies the glottis, a slit that leads into the trachea. From the pharynx to the stomach is a short, poorly defined esophagus.
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www.zoology.ubc.ca/courses/bio204/lab3_frameset.htm
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