What do you do if Dolphin eats your fish and gets hooked? Most times Dolphins are really smart and will easily take the fish without getting hooked up in this case by @stx_fish_hunter . Luckily it did not stay hooked long and was able to get free but here is what you should do: If You Accidentally Hook a Dolphin Do NOT cut the line right away. If you just cut the line, the dolphin may swim away trailing gear, which can cause long-term injury or death. Keep the dolphin calm and alongside the boat