Black jacks (Caranx lugubris) and blue runners (Carangoides crysos), schooling in open water. St. Peter and St. Paul's rocks, Brazil, South America

underwater fish fishes blue runners carangoides crysos schooling shoal black jack jack gamefish game fish caranx lugubris brazil atlantic ocean day outdoors nature natural world marine life sea seas ocean oceans shoals st peter and st pauls rocks water black jacks south america groups horizontal