Check out Cartoon Coral Reef v3 Low-poly 3D model on CGTrader for $29. High-quality mesh by protuberanka: 26761 polys, 27790 vertices. PBR, Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 299 MB), BLEND (Blender, filesize: 149 MB), OBJ (OBJ, filesize: 299 MB), FBX (Autodesk FBX, filesize: 299 MB), MAX (Autodesk 3ds Max, filesize: 299 MB), GLTF (glTF, filesize: 299 MB), TBSCENE (Marmoset Toolbag, filesize: 299 MB), USDZ (USDZ, filesize: 299 MB)