Tortoises will feed about the smaller, immature fish and hatchlings, and pelicans will scoop Spanish mackerel up though They can be fishing for food near the area in the water. Dolphins and sharks are the predominant predators of Spanish mackerels. Human beings have also been a danger to Spanish mackerel, https://cesarkxejn.bluxeblog.com/64010096/indicators-on-where-to-buy-fresh-mackerel-you-should-know