Dried Tilapia Fish Scale In Viet Nam About 200 milligrams (mg) of collagen can be derived from 10 grams of fish scales - the amount that can be obtained from one or two fish. There is little cost in getting the fish scales since they are usually discarded, as compared to sources such as cowhide which have a wide range of other uses. Excluding labour costs, the materials used to extract 100 mg of collagen from fish scales in the lab. SPECIFICATION OF FISH SCALES Color From Ivory to whitish Odor No odor or a bit fishy Moisture: 10% max Impurity: 4% max Packing: 15 kgs PP bag Capacity: 20 Tons/ month EXP: 24 Months