Check out Cod fish Low-poly 3D model on CGTrader for $20. High-quality mesh by CGWanderer: 1168 polys, 850 vertices. Rigged, Textured, UV Mapped.
MA (Autodesk Maya, filesize: 5.79 MB), OBJ (OBJ, filesize: 24.1 KB), FBX (Autodesk FBX, filesize: 59.4 KB)