The original Aquaman was near-indestructible. Or bullet-proof, at least. Or are we talking about the modern nothing-useful-except-talking-to-fish-and-swimming-slighlty-longer-than-an-average-person-on-a-single-breath-causing-writers-to-make-up-scenarios-that-include-water-just-so-he-can-seem-like-more-than-dead-weight Aquaman?