Shark Flash! An innocent mako is swimming though a chemical spill when it is struck by lightning; instead of being instantly killed it is granted super-speed! The shortfin mako is already thought to be the fastest shark. It has been recorded swimming at speeds of 20 miles per hour. The fastest human swimmers haven’t even been able to reach 6 miles per hour. If any shark was going to be the Flash it would have to be the mako.
Also, if you prefer your Shark Flash in the new 52 style….
Because I’m sick in the head I started thinking about other members of the Justice League and what shark they’d be. Superman would be the great white. That’s a pretty simple one. I think Batman would be a bull shark. They are ruthless and they’re able to swim into fresh water. Green Lantern would be a smooth lantern shark. I mean lantern is already in the name, it’s an easy one. I’m still thinking about the others.