Fish Scale Ceramic Tiles
They are ceramic tiles having a shape of fish scale.

The color of the tiles and grout, level of color variation, intensity of edge color fade, level of edge wear, amount of dents and scratches etc. can be managed by the Substance SBSAR file.
 
Tuna Fish Meat Texture
It is an inside meat of tuna. The red fish meat consists of white fatty layers, especially the part called as Toro. Some granular fat can also be found.

With the SBSAR file, users can change the number of fat rings, fat intensity etc.

Raw Salmon Fish Texture
It is a texture of raw salmon fish. With the sbsar file, the shape and width of fat can be controlled. Besides, the tiny fat amount can be set.

Remember to apply subsurface scattering; Otherwise, it will become hard surface.