The Horseshoe Crab is one of the protected marine animals because of its role in maintaining the balance of the ecosystem and its economic value. However, the existence of the Juveniles Horseshoe Crab (JHC) in the coastal waters of Banyuasin, South Sumatera, is still not widely researched. This study aims to analyze and map the location of JHCs and the number found based on the perception of fi…