Big school of Blue Jack Mackerel fish swimming in clear blue ocean, Azores

school of fish coastal fish baitfish mackerel carangidae aquatic wildlife fish trachurus picturatus macaronesia sea aquatic scuba diving seafood underwater shot saltwater blue ocean scuba diving under the sea underwater ocean environment atlantic dive blue water blue jack depth swim azores swimming clear water wildlife jacks slomo animal silver 50fps blue aqua slow motion portugal marine nature nobody life no people deep chicharros