A biomaterial prepared from a process comprising acellularizing the fish scales, dehydrating the fish scales until the fish scales containing less than about 50% of water, and grinding the dehydrated fish scales into ground particles each having an average size of less than about 10,000 µm in diameter, wherein the ground particles contain a mixture of sponge like matrix and powder is provided. The invention also provides a biomaterial prepared from fish scales by a process comprising subjecting the fish scales to a heat treatment at a temperature of less than about 200 °C.
