An orangutan from a zoo reintroduced to the wild in Borneo began spear fishing after watching local fisherman.
Ernest Hemingway used a machine gun when fishing, to shoot sharks, and was the first person to ever boat a giant tuna in an undamaged state.
Many Somali pirates used to be fishermen until there waters were overfished and had waste dumped in them by foreigners.
If you catch a sturgeon in the UK, it by law has to be offered to the royal family.
In Laguna, Brazil, bottlenose dolphins actively herd fish towards local fishermen and then signal with tail slaps for the fishermen to throw their nets. This collaboration has been occurring since at least 1847.