at 20 – 27 April 2025, DBPs did collection of Black Corals and Gorgonians data in Karimunjawa islands. The fieldwork did with Sandhi, Unimus Lecturer, and the students to curate data about abundant, distribution, and species identification. Besides, our work was done in seven-days diving in four sites, Cemara besar, Burung, Indonor. There will more sites to collect at 26 May, going to Bengkoang, Nyamuk, Parang, Cilik, and Cendikia to continue the collecting.