There appears to be no argument re the existence of the abnormalities - but extensive disagreement re the cause(s).
New Orleans, LA - "The fishermen have never seen anything like this," Dr Jim Cowan told Al Jazeera. "And in my 20 years working on red snapper, looking at somewhere between 20 and 30,000 fish, I've never seen anything like this either."There's much more at the Al Jazeera source (discussed at Reddit), and in an AlterNet story via Salon:
Dr Cowan, with Louisiana State University's Department of Oceanography and Coastal Sciences started hearing about fish with sores and lesions from fishermen in November 2010. Cowan's findings replicate those of others living along vast areas of the Gulf Coast that have been impacted by BP's oil and dispersants.
Gulf of Mexico fishermen, scientists and seafood processors have told Al Jazeera they are finding disturbing numbers of mutated shrimp, crab and fish that they believe are deformed by chemicals released during BP's 2010 oil disaster.
Along with collapsing fisheries, signs of malignant impact on the regional ecosystem are ominous: horribly mutated shrimp, fish with oozing sores, underdeveloped blue crabs lacking claws, eyeless crabs and shrimp - and interviewees' fingers point towards BP's oil pollution disaster as being the cause...
The dispersants are known to be mutagenic, a disturbing fact that could be evidenced in the seafood deformities. Shrimp, for example, have a life-cycle short enough that two to three generations have existed since BP's disaster began, giving the chemicals time to enter the genome...
Dr. Williams explained that “PAHs are endocrine disruptors that interfere with the normal blood-borne hormones (e.g., estrogen and testosterone) that are responsible for the regulation of reproductive and developmental processes. Only very low amounts of chemicals are needed to disrupt the normal endocrine balance of both humans and animals. Evidence of reproduction imbalance is seen in the second generation of white shrimp in the 2011 harvest. Shrimp were harvested with defective eye stalks, pleopods, and pereiopods. Such anatomical defects are occurring in the markedly reduced white shrimp population in the Gulf and warn of endocrine dysfunction that could result in the loss of the species.”I think a lot of confusion arises from the fact that food can be bizarrely altered by a variety of processes and still be biologically "safe to eat."
Furthermore, “The heavy metals known to be present in crude oil are being ignored in the testing of seafood. Metal toxicity can produce neurobehavioral abnormalities in sea life such as: alterations in avoidance or attraction responses; critical swimming speed; changes in social interactions (e.g. aggression), reproduction, feeding, and predator avoidance; food foraging with reduced feeding ability; loss or orientation in swimming and changes in schooling behavior. Heavy metal testing in BP Oil clean-up workers has documented increased arsenic levels in 24 hour urine specimens.”
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