Fish skins constitute an important fraction of the enormous amount of wastes produced by the fish processing industry. part of which may be valorized through the extraction of gelatins. This research exploited the extraction and characterization of gelatins from the skin of three seawater fish species. namely yellowfin tuna (Thunnus albacares). https://www.inksstops.shop/product-category/cheyenne-hawk-power-supplies/