Muhammad Farhan Al Iqromi, Afriani Harahap, Heltria, S., Farhan Ramdhani, Ester Restiana Endang Gelis and Hutwan Syarifuddin 2025. Study on The Distribution of Longtail Tuna (Thunnus Tonggol) Catch Based on Chlorophyll-A Using Aqua Modis Imagery in West Sumatera. Grouper. 16, 1 (Apr. 2025), 189–203. DOI:https://doi.org/10.30736/grouper.v16i1.292.