Is there an established method for measuring stress hormone levels, like cortisal, in sharks? If so, is it known what levels of such hormones create significant detrimental effects like decreased immunity?

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    – tyersome
    Commented Dec 11, 2021 at 17:48
  • $\begingroup$ pubmed.ncbi.nlm.nih.gov/17977765 $\endgroup$ Commented Dec 13, 2021 at 18:36


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