Japan’s Tateyama Bay is home to a lifelong friendship—between a local diver and a fish named Yoriko.

The diver, Hiroyuki Arakawa, has long served as the de facto caretaker for an underwater Shinto shrine, and it is through these dives that he met Yoriko, an Asian sheepshead wrasse, over 25 years ago.

The pair’s relationship soon blossomed into a full-blown friendship. Now, whenever Arakawa visits the shrine, he need only knock on a piece of a metal, and Yoriko immediately speeds over. In the video, Arakawa can be seen kissing Yoriko. His Facebook page is also full of selfies of the unlikely duo.

These human-fish friendships do not appear to be limited to Arakawa. A group of fisherman has also developed a relationship with local whale sharks.

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