An annotated checklist of the chondrichthyans of South Africa Author Ebert, David A. Author Wintner, Sabine P. 0000-0001-7350-5999 Author Kyne, Peter M. 0000-0003-4494-2625 debert@mlml.calstate.edu text Zootaxa 2021 2021-03-17 4947 1 1 127 journal article 7365 10.11646/zootaxa.4947.1.1 74dc998a-dc7a-4b02-b43c-a2064c9c6dc2 1175-5326 4614567 7F3B4794-65CF-4691-A330-78A423F2606F Sphyrna lewini ( Griffith & Smith, 1834 ) Scalloped Hammerhead Zygaena lewini Griffith & Smith, 1834: 640 , pl. 50. No types known. Type locality: south coast of Australia [ New Holland ] . Local synonymy : Sphyrna lewini : D’Aubrey, 1964a: 46 , pl. 27; Gilbert, 1967: 37 , figs. 10, 21d, pl. 3, 6b, 9b, 10b (revision of family); Bass et al ., 1975b: 42 , fig. 24; Compagno, 1984b: 545 , fig.; Bass, 1986: 97 , fig. 13.1, pl. 2; Cliff & Wilson, 1986: 27 ; Compagno, 1988a: 35 ; Compagno et al. , 1989: 72 , pl.; Compagno, 1999: 120 ; Heemstra & Heemstra, 2004: 68 ; Compagno et al ., 2005 : 323 , fig., pl. 64; Ebert et al ., 2013 a: 504, fig., pl. 75; Mann, 2013: 283 ; NPOA, 2013: 48 ; Ebert & Dando, 2014: 15 , fig.; da Silva et al ., 2015: 248 ; Ebert & van Hees, 2015: 146 ; Compagno, 2016: 1331 ; Weigmann, 2016: 881 . South Africa voucher material : SAIAB 6111, SAIAB 6112 [ex ORI 1545], SAIAB 6114 [ex ORI 1544], SAIAB 201709. South African distribution : Port St. John’s (EC) to the KZN border with Mozambique . Remarks : The most common hammerhead on the east coast of South Africa . It forms large aggregations at times, especially during the fall and summer months. The Thukela Bank (KZN) appears to be a nursery ground ( Fennessy, 1994 ; de Bruyn et al ., 2005 ) as does the Port St. Johns area on the Transkei coast (EC). Conservation status : CR (2019).