Three struggling regional Spanish banks -- or cajas -- which collectively own 21 percent of Calvo Group, the Spanish canned tuna giant with reported record results in 2010 and also owns the booming Gomes da Costa business in Brazil, are looking to exit, said Calvo CEO Manuel Calvo Garcia-Benavides.

“There are three options,” Calvo told IntraFish. “They can sell the stake to a financial investor, such as a private equity group; another industrial company; or my family can buy the stake.”

The