Biological Aspects and Feeding Habits of Spinetail Devil Ray (Mobula mobular) landed in the Palabuhanratu Nusantara Fishing Port

Optimal management of aquatic resources requires a good understanding the biological aspects and other information related to these resources. This study was conducted determine feeding habits Mobula mobular landed in Palabuhanratu Nusantara Fishing Port. The research from September 2021 May 2022. Data collected through direct survey that included biology, stomach contents on fishing grounds. It recorded 21 individuals M. area during period. According Chi-Square test, sex ratio between females males is balanced with growth pattern negatively allometric. male generally found as immature individuals. prey items identified stomachs belong five groups: decapods, copepods, gastropods, Polychaeta, others. Decapods were most important (Index Relative Importance 99,54%), while groups only complementary food. categorized plankton feeder. fullness index value 23.8%, vacuity 76.2% relatively low fed. classified an omnivorous animal tends be carnivorous preference trophic level 3.