Threat to salmon?

Scientists aren’t sure what impact jumbo squid may have on salmon runs of the Pacific Northwest. The squid could be eating juvenile salmon as they first enter the ocean. But the juveniles stick close to shore, while the squid prefer the deeper waters 15 to 50 miles off the coast. Another theory is that as the squid eat the smaller fish that seals and sea lions usually feast on, the marine mammals have been forced to dine on salmon.