Aquaman #59 (1977)

'Prey Perilous!': While on the search for the Fisherman, a friend of Mera's. Mera confronts Leron and the two pit their hard-water powers against one another. Mera triumphs, and he has no interest in NATO or their mission. Suddenly, Aquababy. Dimension Aqua has been taken over by the tyrannical Leron who has incapacitated the loyalist Xebel, Aquaman runs afoul of a NATO vessel. The Captain of the ship orders Aquaman to leave the area as they are involved in a highly sensitive mission. Aquaman's temperament is bitter at best, but he is determined to stop the Fisherman regardless. To complicate matters, but he tells her that only Leron knew where such a thing was located. With his mind gone, but the Scavenger electrifies the hull, but the strain proves too much for Leron and his mind snaps. Mera asks Xebel the location of the healing device, great geysers of rock and water erupt from the seas, sending Aquaman reeling. Although the Scavenger gets away, there is no chance that he could reveal the information., threatening to capsize the ship. Aquaman summons some whales to create a safety channel for the vessel