classified as a possible carcinogen to humans (group 2B) by the
International Agency for Research on Cancer (IARC), is one
the most abundant compounds detected in marine organisms
and it is mainly due to petrogenic pollution.41 None of the
squid samples contained detectable amounts of 2-hydroxyfluorene
or 1-hydroxypyrene. Also, none of the hemolymph
samples exhibited detectable amounts of metabolites, which
confirms the lack of (or low) detoxification capacity of the
octopus species regarding PAHs.