Hammerhead Shark model mesh, these models are sold just as bare meshes, ready for any further work, the included materials and textures were used to render the model imagery and are just a small bonus. Usually maps and textures upload automatically to its own folder, and they also show in your material tabs, but if in any case you are unable to find them, feel free to ask me and I will drop them to you, be sure your model is fully supported.