Species
There are currently 7 recognized species in this genus: * '' Ichthyapus acuticeps'' Barnard, 1923 (Sharpnose sand eel) * '' Ichthyapus insularis'' J. E. McCosker, 2004 * '' Ichthyapus keramanus'' Machida, Hasimoto & Yamakawa, 1997 McCosker, J.E. & Hibino, Y. (2015): A review of the finless snake eels of the genus ''Apterichtus'' (Anguilliformes: Ophichthidae), with the description of five new species. ''Zootaxa, 3941 (1): 49-78.'' * '' Ichthyapus ophioneus'' Evermann & M. C. Marsh, 1900 (Surf eel) * '' Ichthyapus platyrhynchus'' Gosline, 1951 * '' Ichthyapus selachops'' D. S. Jordan & C. H. Gilbert, 1882 (Smiling snake eel) * ''References
Ophichthidae Taxa named by Charles N. F. Brisout Ray-finned fish genera {{Ophichthidae-stub