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Video: Is Gulf seafood safe?

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    >>> more now on the recovery efforts along the gulf coast one year after the worst oil disaster in history. msnbc wildlife and science expert, jeff corwin went out with shrimpers returning to the waters of louisiana .

    >> reporter: louisiana shrimp season has just opened and these are some of the first fishing nets to troll these waters . the fishing community here is incredibly anxious about any potential impact that the oil spill has had on this resource that they so very much depend upon. great mystery is, did the shrimp survive? in a few minutes we're going to find out when they pull up this net. with most gulf coast fishing waters shut down, lance spent last year using his boat to help clean up the oil spill . his fresh shrimp harvest since the devastating disaster is turning out much better than he anticipated. how does look?

    >> looks pretty good, jeff. ? normally this time of the year it's slow, smaller shrimp but the harvest looks really good so far.

    >> reporter: the date of louisiana is making sure the seafood harvested in coatle waters not only looks good but safe to eat. we're in moss bay off the coast of louisiana at the first anniversary of the devastating oil spill . there's a lot of controversy now on the overall quality of louisiana seafoods. we've come to the source. we're with a team of biologists with the department of louisiana fisheries and wild life . we're actually going to assess overall quality of these crabs. these crabs are set in ice and wrapped in aluminum foil . the next destination is a louisiana health lab for testing. we're now in state lab where our crab sample that we collected in waters of the gulf will be processed. i'm with katharine and she's about to process a sample of oysters. ground zero for seafood testing in louisiana . this remind me of my days as a -- how i put myself through college. here, oysters are shucked, fish filleted and the crabs we helped collect from the waters are ground in a blender. eventually seafood tissues are analyzed by state-of-the-art computers.

    >> i think it's important to let everybody know that the seafood is safe and that it's edible.

    >> reporter: so far every seafood sample tested in louisiana more than 1200 in all, including the crabs we helped catch, have come back waite clean bill of health. what have you learned so far?

    >> we've learned that our seafood is safe.

    >> i think some of the greatest challenges is perception. people you know think that we're -- our seafood is tainted in oil but in fact our seafood is probably the safest seafood there is to eat.

    >> reporter: perhaps this bountiful harvest of shrimp taken from these waters today indicate that there's still a chance for this incredibly important ecosystem survive into the future. the great question is, will there be a long-term impact from the devastating oil spill that happened in these waters just a year ago? ? jeff corwin off the coast of louisiana .

Photos: Grim inventory of wildlife claimed by Gulf spill

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  1. Dead fish float along the waterways at North of Point a la Hache Marina, La. on July 10. It is unclear what killed the fish and Louisiana Wildlife and Fisheries is investigating. (P.J. Hahn / AP) Back to slideshow navigation
  2. The remains of a dead pelican are seen on Raccoon Island, the largest pelican rookery in Louisiana. Rebuilt after Hurricane Katrina, it was home to more than 60,000 pelicans, but since the oil spill mature pelicans are scarce. Instead, there are thousands of dead birds and emaciated and abandoned juvenile and baby birds. (Andy Levin / Polaris) Back to slideshow navigation
  3. Crews found about 130 dead birds and 15 live birds affected by oil from the Deepwater Horizon spill on Monday behind Louisiana's Chandeleur Islands. These workers were seen preparing to lay oil boom around an island in St. Bernard Parish, La. Wednesday. (Patrick Semansky / AP) Back to slideshow navigation
  4. The LaFontaine family of Waveland, Miss., find a horseshoe crab dead amid globs of oil on the beach of its town July 7. Numerous dead horseshoe crabs were found along the beach as their populations are thought to be declining world wide due to harvesting, gathering by humans and habitat destruction, like that caused by the Deepwater Horizon oil spill. (Bevil Knapp / EPA) Back to slideshow navigation
  5. Scientists are seeing early signs that the massive Gulf spill is altering the food web, by killing or tainting creatures that form the foundation of marine life -- such as this dead pyrosome, spotted June 17 by a University of California Santa Barbara team in an oil slick near the site of the Deepwater Horizon rig -- and spurring the growth of others more suited to a fouled environment. (University of California Santa Barbara Department of Earth Science / AP) Back to slideshow navigation
  6. An agent with the U.S. Fish and Wildlife Service puts a dead sea turtle into a garbage back at night on Orange Beach, Ala., on June 16. It is undetermined if the turtle death was caused by the oil leaked from the Deepwater Horizon oil spill. (Dan Anderson / EPA) Back to slideshow navigation
  7. A dead crab sits among oil from the Deepwater Horizon oil spill on a beach in Grand Terre Island, Louisiana on June 9. (Lee Celano / Reuters) Back to slideshow navigation
  8. Biologists from the Louisiana Department of Wildlife and Fisheries recover a dead dolphin off of Grand Isle. The scientists towed the dolphin to shore as a thunderstorm was approaching. Further testing will determine if its death was due to exposure to toxins from the oil spill. (Carolyn Cole / LA Times via Polaris) Back to slideshow navigation
  9. A dead Northern Gannet covered in oil lies along Grand Isle Beach in Grand Isle, La. on May 21. A month after the well blowout and rig explosion that unleashed the catastrophic spill, sheets of rust-colored heavy oil started to clog fragile marshlands on the fringes of the Mississippi Delta, damaging fishing grounds and wildlife. (Sean Gardner / Reuters) Back to slideshow navigation
  10. A dead jelly fish floats in oil from the Deepwater Horizon spill on June 7 in the Gulf of Mexico south of Venice, La. (Eric Gay / AP) Back to slideshow navigation
  11. Dead fish sit on a boom in place to help shield marshes impacted by the Deepwater Horizon oil spill in Pass a Loutre, La., May 22. (Gerald Herbert / AP) Back to slideshow navigation
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