Seahorse Monogamy Is (Sort of) a Myth It seems a seahorse isn’t as monogamous as once believed, but that only makes my underwater crush on the little creature grow even deeper. Male or female— it really doesn’t matter. I especially like the way this pale-yellow seahorse wraps its tail around the sunken plastic pirate ship in the saltwater aquarium at my favorite Thai restaurant. Nearby a darker yellow seahorse begins doing an intimate dance in the soft and steady current. I know love is a lot like food, and there are so many choices on the menu.