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Blue shark



Prionace glaucaThis photo was taken using an underwater pole camera during one of the SWFSC's juvenile shark surveys off of the Channel Islands.
Key words: blue shark, Prionace glauca Photo credit: Mark ConlinContact: SWFSC Large Pelagics Program

Blue shark


Prionace glauca
This photo was taken using an underwater pole camera during one of the SWFSC's juvenile shark surveys off of the Channel Islands.
Key words: blue shark, Prionace glauca Photo credit: Mark ConlinContact: SWFSC Large Pelagics Program

Blue shark



Prionace glauca
This blue shark was caught, tagged, and released alive during one of FRD's juvenile shark surveys off of the Channel Islands.
Key words: blue shark, Prionace glauca
Contact: SWFSC Large Pelagics Program

Blue shark


Prionace glaucaThis blue shark was caught, tagged, and released alive during one of FRD's juvenile shark surveys off of the Channel Islands.
Key words: blue shark, Prionace glauca

Contact: SWFSC Large Pelagics Program

Blue shark



Prionace glauca
This blue shark was caught, tagged, and released alive during the July 2007 Juvenile Shark Survey off of the Channel Islands.Key words: blue shark, Prionace glauca, tagging Date: 9 July 2007Contact: SWFSC Large Pelagics Program

Blue shark



Prionace glauca
This is a blue shark swimming away just after release.  this shark was caught, tagged, and released alive during the July 2007 Juvenile Shark Survey off of the Channel Islands.Key words: blue shark, Prionace glauca, tagging Date: 7 July 2007Contact: SWFSC Large Pelagics Program

Blue shark



Prionace glauca
This is a close up of the dorsal area of a blue shark that was caught, tagged, and released alive during the July 2007 Juvenile Shark Survey off of the Channel Islands.  Attached to the dorsal fin is a rototag with a unique ID number, and a spaghetti tag protrudes from the back.  If this shark is caught again and the fisherman contacts the lab, these tags can provide valuable information.Key words: blue shark, Prionace glauca, tagging Date: 4 July 2007Contact: SWFSC Large Pelagics Program

Blue shark



Prionace glauca
This blue shark was caught, tagged, and released alive during the July 2007 Juvenile Shark Survey off of the Channel Islands.  This shark gets its name from the vibrant blue color on its dorsal side.Key words: blue shark, Prionace glauca, tagging Date: 5 July 2007Contact: SWFSC Large Pelagics Program

Blue shark, skin



Prionace glauca
A close up of the dorsal side of a blue shark, showing the beautiful blue color that gives the shark its name. This blue shark was caught, tagged, and released alive during the July 2007 Juvenile Shark Survey off of the Channel Islands.Key words: blue shark, Prionace glauca Date: 10 July 2007Photo credit: Carl Safina Contact: SWFSC Large Pelagics Program

Blue shark



Prionace glauca
A close up of the eye of a blue shark. Sharks do not have eyelids, but most have a nictitating membrane that can cover the eye to protect it. This blue shark was caught, tagged, and released alive during the July 2007 Juvenile Shark Survey off of the Channel Islands.Key words: blue shark, Prionace glauca Date: 10 July 2007Photo credit:  Carl SafinaContact: SWFSC Large Pelagics Program

Blue shark



Prionace glauca
Dr. Suzanne Kohin handles this young-of-the-year blue shark, which was caught, tagged, and released alive during the July 2007 Juvenile Shark Survey off of the Channel Islands. Key words: blue shark, Prionace glauca, tagging Date: 9 July 2007Contact: SWFSC Large Pelagics Program

Blue shark



Prionace glauca
This is a blue shark just prior to release. This shark was caught, tagged, and released alive during the July 2007 Juvenile Shark Survey off of the Channel Islands. In this photo you can see the nictitating membrane covering the eye.  Key words: blue shark, Prionace glauca, tagging Date: 9 July 2007Contact: SWFSC Large Pelagics Program

Blue shark, ampullae of Lorenzini



Prionace glauca
A close up of the Ampullae of Lorenzini, the small pits that cover large areas of skin near the mouth and nose on the shark's snout. They are natural electrical sensors which, at close range, can detect the weak electrical fields generated by all animals. Key words: blue shark, Prionace glauca, ampullae of Lorenzini Date: 5 September 2004Photo credit: Mark Conlin Contact: SWFSC Large Pelagics Program

Blue shark



Prionace glauca
A close up of the mouth of a blue shark. The serrated teeth are continually lost throughout the shark's life, and another tooth will move into place from behind it in a conveyer belt type system. Key words: blue shark, Prionace glauca Date: 10 July 2007Photo credit: Mark ConlinContact: SWFSC Large Pelagics Program