Horsea ink is still used today for calligraphy. It’s collected by surprising them in the wild, then wiping off the surpriser after the Horsea jettisons ink to escape.

Horsea in decorative ponds or fishtanks cause a lot of trouble when they evolve into Seadra. Relocation facilities are a necessity, or they will be released to terrorize local waterways.

The fins on either side of Kingdra’s face are so sensitive, oceanographers use Kingdra to monitor changes in ocean temperature and composition.