TIL seafood mislabelling occurs in 25-70%+ of retail products for popular species (red snapper, wild salmon, Atlantic cod). One study found snapper and tuna had the highest mislabeling rates (87% of snapper, 59% of tuna).

https://galleychef.org/index.php/pork-bung-or-calamari/

https://www.reddit.com/r/todayilearned/comments/153jmzl/til_seafood_mislabelling_occurs_in_2570_of_retail/