Play-with-Korea

A platter of selected jeotgal being prepared for the restaurant guests, at Hwanghaedo Jeotgal Merchants / 황해도젓갈상회 in Kangkyeong.

The closest equivalents I can think of in non-Korean cuisine are the various shrimp pastes in Southern Chinese (hom ha) and Southeast Asian (Filipino bagoong alamang, for ex.) cuisines...