Callechelys is a genus of eels in the snake eel family Ophichthidae. It currently contains the following fifteen species: \n* Callechelys bilinearis Kanazawa, 1952 (Twostripe snake-eel) \n* Callechelys bitaeniata (W. K. H. Peters, 1877) \n* Callechelys catostoma (J. G. Schneider & J. R. Forster, 1801) (Black-striped snake-eel) \n* Callechelys cliffi J. E. Böhlke & Briggs, 1954 (Sandy ridgefin eel) \n* Callechelys eristigma McCosker & Rosenblatt, 1972 (Spotted ridgefin eel) \n* Callechelys galapagensis McCosker & Rosenblatt, 1972 \n* Callechelys guineensis (Osório, 1893) (Shorttail snake eel) \n* Callechelys leucoptera (Cadenat, 1954) \n* Callechelys lutea Snyder, 1904 (Yellow-spotted snake-eel) \n* Callechelys maculatus Y. T. Chu, H. L. Wu & X. B. Jin, 1981 \n* Callechelys marmorata (Bleek