beautiful blue finger coral at karimunjawa national park

reef coral underwater organism fish invertebrate animal aquarium sea ocean beautiful blue finger karimunjawa national park crimon java marine designated karimun archipelago jepara regency central indonesia lies north west formally declared protection area 2001 based popular local myth discovered sunan nyamplungan nephew kudus one wali sanga 3karimun tourist attraction white sandy beach pristine reefs challenging treks hills pilgrimage cemetery customs traditions karimunjava community indonesia sea 2001 sanga community