Freshwater Japanese Pond Turtle Floating in a Stream with His Head Out of Water, Seoul, South Korea

small black turtle japanese pond turtle swim swimming yangjae stream stream reptile japanese near threatened freshwater species creature carapace pond river nature geoemydidae float lake japanesestoneturtle yangjae softshell wild wet fauna creek environment natural aquatic mauremys japonica nat geo tropical south korea slow shell closeup mauremys japonica background habitat amphibian water animal behavior national geographic vertebrate