That is so. The attackers are Iberian orcas whose staple diet is tunny. Different pods have different diets, those in the photo could justifiably be called killer whales which does not make sense when referring to fish eaters.
I use the term tunny as does the Admiralty on its charts. It becomes...
The problem is that the staple diet of orcas is tunny and the tunny nets here,between Faro and Tavira, are close to the coast as can be seen on the Admiralty chart