This guy says they are a, “parodi” of real sardines. https://fitfordragoncon.com/2013/09/20/sardine-review-angelo-parodi-portuguese-sardines/
Amazon reviews for Angelo Parodi - Portuguese Sardines in Pure Olive Oil
https://www.amazon.com/Angelo-Parodi-Portuguese-Sardines-Olive/dp/B07KX4Z8W6/ref=sr_1_3_a_it?ie=UTF8&qid=1544404749&sr=8-3&keywords=Angelo%2BParodi%2B-%2BPortuguese%2BSardines&th=1