Isurus Rafinesque, 1810a

Ebert, David A., White, William T., Ho, Hsuan-Ching, Last, Peter R., Nakaya, Kazuhiro, Séret, Bernard, Straube, Nicolas, Naylor, Gavin J. P. & De Carvalho, Marcelo R., 2013, An annotated checklist of the chondrichthyans of Taiwan, Zootaxa 3752 (1), pp. 279-386 : 312-313

Genus Isurus Rafinesque, 1810a

Mako Sharks / ëḛé

Isurus Rafinesque, 1810a: 12 , pl. 13, fig. 1. Type species: Isurus oxyrinchus Rafinesque, 1810a , by monotypy.

Isurus oxyrinchus Rafinesque, 1810a

Shortfin Mako / Ȁḓëḛ

Isurus oxyrinchus Rafinesque, 1810a: 12 , pl. 13, fig. 1. Also Rafinesque, 1810b: 45. Holotype unknown. Type locality: Sicily, Mediterranean Sea.

Local synonymy: Isurus glaucus: Nakamura, 1936: 11 , pl. 3, fig. 1; Teng, 1962: 85; Chen, 1963: 35; Chen & Yu, 1986: 124. Isuropsis glauca: Chen, 1948: 40 . Isurus oxyrinchus: Shen, 1984a: 54 , fig.; Chen & Joung, 1993: 52, pl. 5.5; Shen & Wu, 2011: 61, fig.

Taiwan voucher material: First reported by Nakamura (1936) from Taiwanese waters, this species is frequently seen at fish markets.

Remarks: Relatively common at fish markets around Taiwan. Conservation status: Vulnerable.

Isurus paucus Guitart, 1966

Longfin Mako Shark / Ħǧëḛ

Isurus paucus Guitart, 1966: 3 , figs. 1, 2A, 3A, 3C. Syntypes: 2260 mm PCL adult female, 2030 mm PCL adult male, and 1955 mm PCL adult female, possibly in the Instituto de Biologia or Instituto de Oceanologia, Cuba, collected in the Caribbean near Cuba. No type known according to Compagno (2001).

Local synonymy: Isurus paucus: Joung et al., 1989: 244 , fig. 6; Chen & Joung, 1993: 52, pl. 5.6; Shen & Wu, 2011: 62, fig.

Taiwan voucher material: (1 specimen) NMF 0446 , adult male, 1900 mm TL, Nan-fang-ao, Jan 1986 .

Remarks: Although not as common as I. oxyrinchus , this species is seen on occasion at fish markets, particularly along the east coast.

Conservation status: Vulnerable.