Utilization of tuna (Thunnus sp. ) and lemuru (Sardinella lemuru) in the fishing industry has not been developed optimally and still produces by-products. Fish gills are one of the by-products of fisheries that contain protein. fat. https://www.roneverhart.com/Western-Digital-Ultrastar-DC-HC550-WUH721816ALE6L0-0F38460-16TB-7-2K-RPM-SATA-6Gb-s-512e-ISE-3-5in-Hard-Drive/