Hiện hành có 21 loài được ghi nhận trong chi này:

• Narcine atzi M. R. de Carvalho & J. E. Randall, 2003 (Atz's numbfish)
• Narcine baliensis M. R. de Carvalho & W. T. White, 2016 [3]
• Narcine bancroftii (E. Griffith & C. H. Smith, 1834) (Lesser electric ray)
• Narcine brasiliensis (Olfers, 1831) (Brazilian electric ray)
• Narcine brevilabiata Bessednov, 1966 (Short-lip electric ray)
• Narcine brunnea Annandale, 1909 (Brown numbfish)
• Narcine entemedor D. S. Jordan & Starks, 1895 (Giant electric ray)
• Narcine insolita M. R. de Carvalho, Séret & Compagno, 2002 (Madagascar numbfish)
• Narcine lasti M. R. de Carvalho & Séret, 2002 (Western numbfish)
• Narcine leoparda M. R. de Carvalho, 2001 (Leopard electric ray)
• Narcine lingula J. Richardson, 1846 (Chinese numbfish)
• Narcine maculata (G. Shaw, 1804) (Dark-finned numbfish)
• Narcine nelsoni M. R. de Carvalho, 2008 (Eastern numbfish)
• Narcine oculifera M. R. de Carvalho, Compagno & Mee, 2002 (Big-eye electric ray)
• Narcine ornata M. R. de Carvalho, 2008 (Ornate numbfish)
• Narcine prodorsalis Bessednov, 1966 (Tonkin numbfish)
• Narcine rierai (Lloris & Rucabado, 1991) (Slender electric ray)
• Narcine tasmaniensis J. Richardson, 1841 (Tasmanian numbfish)
• Narcine timlei (Bloch & J. G. Schneider, 1801) (Spotted numbfish)
• Narcine vermiculatus Breder, 1928 (Vermiculate electric ray)
• Narcine westraliensis McKay, 1966 (Banded numbfish)