Check out MEGALODON REV V2 Free low-poly 3D model on CGTrader for free. High-quality mesh by hate8527: 2300 polys, 3152 vertices. Rigged.
BLEND (Blender, filesize: 935 KB), OBJ (OBJ, filesize: 364 KB), FBX (Autodesk FBX, filesize: 149 KB), GLTF (glTF, filesize: 199 KB), ABC (Alembic, filesize: 176 KB), STL (Stereolithography, filesize: 306 KB), DAE (Collada, filesize: 372 KB)