Apterichtus

Apterichtus is a genus of fish in the family Ophichthidae (snake eels). Many of its species are called finless eels.

The name literally means "finless fish" in Greek, from apteron (‘no-fins’ < privative a + pteron) and ichthys (‘fish’).

Species
There are currently 18 recognized species in this genus:
 * Apterichtus anguiformis (W. K. H. Peters, 1877) (Slender finless eel)
 * Apterichtus ansp (J. E. Böhlke, 1968) (Academy finless eel)
 * Apterichtus australis McCosker & J. E. Randall, 2005
 * Apterichtus caecus (Linnaeus, 1758) (European finless eel)
 * Apterichtus dunalailai McCosker & Hibino, 2015
 * Apterichtus equatorialis (G. S. Myers & Wade, 1941) (Equatorial finless eel)
 * Apterichtus flavicaudus (Snyder, 1904)
 * Apterichtus gracilis (Kaup, 1856)
 * Apterichtus hatookai Hibino, Shibata & Kimura, 2014 (Orange-blotched finless eel)
 * Apterichtus jeffwilliamsi McCosker & Hibino, 2015
 * Apterichtus kendalli (C. H. Gilbert, 1891) (Western Atlantic finless eel)
 * Apterichtus klazingai (M. C. W. Weber, 1913) (Sharp-snout finless eel)
 * Apterichtus malabar McCosker & Hibino, 2015
 * Apterichtus monodi (C. Roux, 1966)
 * Apterichtus moseri (D. S. Jordan & Snyder, 1901)
 * Apterichtus mysi McCosker & Hibino, 2015
 * Apterichtus nariculus McCosker & Hibino, 2015
 * Apterichtus orientalis Machida & Ohta, 1994
 * Apterichtus succinus Hibino, McCosker & Kimura, 2016