Izu rays are a medium-sized benthic fish with a body disc width of up to 73 centimeters. It is a nearshore species mainly found on the continental shelf, with a known depth range of 10-25 meters, but may appear in deeper places; In the East China Sea, it has been reported at a depth of 180 meters. The pectoral fin plate of the Izu stingray is diamond shaped, slightly wider than long, with a smooth golden brown color, and a whip like tail with a low keel above and a fin fold below. The fin folds are white, which distinguishes the Izu ray from all other Pacific members of its family.

Multi wart geckos are a species belonging to the phylum Chordata, class Reptiles, order Scales, family Gecko, and genus Gecko. The body shape of the gecko with multiple warts is medium, with a flat head and a body length of 52-57 millimeters, and a tail length of 54-57 millimeters. The head is medium-sized and oval in shape. The kiss is slanted and flat, except for slightly larger scales on the snout, the rest are granular scales, and the middle of the forehead is slightly concave. The ear hole is small and oval in shape. The eardrum is deeply sunken, the nose is located at the snout end, and there are fine teeth on the upper and lower jaws. The tongue is broad, concave at the top, and sticky. One pair of chin scales, pentagonal.