[JohnJamesRambo]

This compound was new to me. Here's more info on it.

https://www.mdpi.com/2072-6651/10/2/83/htm

Seems to accumulate in bivalves and crustaceans but not fish.

[ratsmack]

More info from 2012 on the NIH site:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3295368/

This has been known for quite a while.