Dead tuna are returned to the sea, and this is an illegal practice.
President of the fishermen's federation in the Balearics, Domingo Bonnin, speaking to the media on Wednesday.
Measures announced by the government have come as "a pleasant surprise".
Domingo Bonnin, the fishermen's president in the Balearics.
Boats may be confined to port.
The price of fuel has doubled over the past year.
Domingo Bonnin, president of the federation of fishermen's brotherhoods in the Balearics.
The EU Agriculture and Fisheries Council meets next month.