Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Species in the genus Triakis: [ 11 ] records

acutipinna, Triakis Kato [S.] 1968:320, Figs. 1-2 [Copeia 1968 (no. 2); ref. 19763] Isla de la Plata, Ecuador. Holotype (unique): USNM 201409. Type catalog: Howe & Springer 1993:2 [ref. 21812]. •Valid as Triakis acutipinna Kato 1968 -- (Compagno 1984:428 [ref. 6846], Compagno et al. in Fischer et al. 1995:741 [ref. 22829], Chirichigno F. & Vélez D. 1998:48 [ref. 24555], Compagno 1999:482 [ref. 25589], Weigmann 2016:50 [ref. 34211], Calle-Morán et al. 2020:242 [ref. 37881]). Current status: Valid as Triakis acutipinna Kato 1968. Triakidae: Triakinae. Distribution: Eastern Pacific: mainland Ecuador endemic. Habitat: marine.

californica, Triakis Gray [J. E.] 1851:56 [List of the specimens of fish in the collection of the British Museum.; ref. 4939] Not available, no distinguishing features provided; from California, U.S.A. •In the synonymy of Triakis semifasciata Girard 1855 -- (Compagno 1984:433 [ref. 6846], Castro 2011:384 [ref. 31457]). Nomen Nudum. Current status: Synonym of Triakis semifasciata Girard 1855. Triakidae: Triakinae.

felis, Mustelus Ayres [W. O.] 1854:6 [The Pacific [newspaper] v. 3 and 4 (thru no. 6); ref. 157] Entrance to San Francisco Bay, California, U.S.A. Holotype: No types known. Appeared first as above, "The Pacific" 8 Dec. 1854:6 [see ref. 157], then p. 17 [ref. 18923]. A senior synonym of Triakis semifasciata Girard 1855, but felis is an unused senior synonym subject to Reversal of Precedence (Art. 23.9.1). •Synonym of Triakis semifasciata Girard 1855 -- (Compagno 1984:433 [ref. 6846] with wrong date, Castro 2011:384 [ref. 31457]). •Nomen oblitum, synonym of Triakis semifasciata Girard 1855 -- (Pietsch et al. 2012:98 [ref. 31825]). Nomen Oblitum. Current status: Synonym of Triakis semifasciata Girard 1855. Triakidae: Triakinae. Habitat: marine.

maculatus, Triakis scyllium Kner [R.] & Steindachner [F.] (ex Dumeril) 1867:391 [36] [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 54 (pt 3); ref. 2640] Locality unknown. Possible types: BMNH 1865.5.24.8 (1), ZMH 468 (1). Type catalog: Ladiges 1958:170 [ref. 19182], Wilkens & Dohse 1993:409 [ref. 21161] with 468 as holotype, Thiel et al. 2009:14 [ref. 30918] with 468 as holotype. On p. 36 of separate. •Valid as Triakis maculata Kner & Steindachner 1867 -- (Compagno 1984:429 [ref. 6846], Pequeño 1989:13 [ref. 14125], Allen & Robertson 1994:21 [ref. 22193], Compagno et al. in Fischer et al. 1995:742 [ref. 22829], McCosker & Humann 1996:18 [ref. 41107], Grove & Lavenberg 1997:94 [ref. 24023], Chirichigno F. & Vélez D. 1998:47 [ref. 24555], Compagno 1999:482 [ref. 25589], McCosker & Rosenblatt 2010:187 [ref. 30957], Weigmann 2016:50 [ref. 34211], Calle-Morán et al. 2020:242 [ref. 37881], Grove et al. 2022:15 [ref. 41326], Victor et al. 2024:74 [ref. 42021], Campos-León et al. 2025:[6] [ref. 42591], Contreras et al. 2025:96 [ref. 42659]). Current status: Valid as Triakis maculata Kner & Steindachner 1867. Triakidae: Triakinae. Distribution: Eastern Pacific: Peru and Galapagos Islands (Ecuador). IUCN (2020): Critically Endangered. Habitat: marine.

megalopterus, Mustelus Smith [A.] 1839:no pagination, Pl. 2 [Illustrations of the zoology of South Africa v. 4; ref. 4035] Cape Town, South Africa, southeastern Atlantic. Smith specimens: BMNH 1845.7.3.149 (1), 1845.7.3.159 (1). •Valid as Triakis megalopterus (Smith 1839) [perhaps megaloptera is correct] -- (Compagno 1984:430 [ref. 6846], Bass et al. 1986:86 [ref. 5638], Gubanov & Timoxin 1989:222 [ref. 36138], Bianchi & Carpenter in Bianchi et al. 1993:77 [ref. 25472], Compagno 1999:482 [ref. 25589], Heemstra & Heemstra 2004:65 [ref. 28072], Naylor et al. 2012:39 [ref. 32267] see remarks, Weigmann 2016:50 [ref. 34211], Compagno 2016:1283 [ref. 34544], Fricke et al. 2018:11 [ref. 35805] as melanopterus, Almeida & Biscoito 2019:75 [ref. 37302], Ebert et al. 2021:58 [ref. 38234], James & Ebert 2022:504 [ref. 39663], Leeney 2024:59 [ref. 40985]). Current status: Valid as Triakis megalopterus (Smith 1839). Triakidae: Triakinae. Distribution: Southeastern Atlantic, southwestern Indian Ocean: Angola south to Cape of Good Hope (South Africa), then north to southern KwaZulu-Natal, east to Madagascar. Habitat: marine.

natalensis, Mustelus Steindachner [F.] 1866:54 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftlichen Classe v. 3 (no. 7); ref. 20460] Durban, KwaZulu-Natal, South Africa, southwestern Indian Ocean. Holotype (unique): not found at NMW. Appeared first as above in abstract for Steindachner 1866 [ref. 4210]; then in Steindachner 1866:482, Pl. 1 (figs. 1-3) [ref. 18760]. On p. 1 of separate for ref. 18760. •Synonym of Triakis natalensis (Steindachner 1866) -- (Gubanov & Timoxin 1989:222 [ref. 36138]). •Synonym of Triakis megalopterus (Smith 1839) -- (Compagno 1984:430 [ref. 6846], Bass et al. 1986:86 [ref. 5638], Compagno 2016:1283 [ref. 34544]). Current status: Synonym of Triakis megalopterus (Smith 1839). Triakidae: Triakinae. Habitat: marine.

nigromaculatus, Mustelus Evermann [B. W.] & Radcliffe [L.] 1917:9, Pl. 2 (fig. 2) [Bulletin of the United States National Museum No. 95; ref. 1284] Lobos de Tierra Island, Peru. Holotype: USNM 77699. Paratypes: (1) whereabouts unknown. Type catalog: Howe & Springer 1993:10 [ref. 21812]. •Synonym of Triakis maculata Kner & Steindachner 1867 -- (Compagno 1984:429 [ref. 6846]). Current status: Synonym of Triakis maculata Kner & Steindachner 1867. Triakidae: Triakinae. Habitat: marine.

nigropunctatus, Mustelus Smith [J. L. B.] 1952:223, Pl. 13 [Annals and Magazine of Natural History (Series 12) v. 5 (no. 51) (art. 24); ref. 12805] South Africa. Holotype: SAIAB [formerly RUSI] 424. Paratypes: SAIAB [formerly RUSI] (1) not researched. •Synonym of Triakis megalopterus (Smith 1839) -- (Compagno 1984:430 [ref. 6846], Bass et al. 1986:86 [ref. 5638], Compagno 2016:1283 [ref. 34544]). Current status: Synonym of Triakis megalopterus (Smith 1839). Triakidae: Triakinae. Habitat: marine.

pingi, Hemigaleus Evermann [B. W.] & Shaw [T.] 1927:99 [Proceedings of the California Academy of Sciences (Series 4) v. 16 (no. 4); ref. 1286] Wenchow, China. Holotype (unique): CAS 500. •Synonym of Triakis scyllium Müller & Henle 1839 -- (Compagno 1984:432 [ref. 6846], Dyldin 2015:52 [ref. 34524]). Current status: Synonym of Triakis scyllium Müller & Henle 1839. Triakidae: Triakinae. Habitat: marine.

scyllium, Triakis Müller [J.] & Henle [F. G. J.] 1839:63, [Pl. 26] [Systematische Beschreibung der Plagiostomen; ref. 3069] Japan. Holotype (unique): RMNH D2578 (dry). As Triakis scyllia in Bigelow & Schroeder 1948:236 [ref. 16817]; Triakis is feminine but scyllium is a noun in apposition and therefore does not change its ending. •Valid as Triakis scyllium Müller & Henle 1839 -- (Compagno 1984:432 [ref. 6846], Nakaya in Masuda et al. 1984:5 [ref. 6441] as scyllia, Gubanov & Timoxin 1989:222 [ref. 36138] as scyllia, Cheng & Zhou 1997:27 [ref. 26385] dated 1841, Senou & Masuda 1998:5 [ref. 24388], Sokolovskaya et al. 1998:7 [ref. 24670], Compagno 1999:482 [ref. 25589], Nakabo 2000:134 [ref. 25086], Compagno in Randall & Lim 2000:579 [ref. 25122], Shimizu 2001:19 [ref. 25799], Wang et al. 2001:29 [ref. 26566] dated 1841, Nakabo 2002:134 [ref. 26001], Choi et al. 2003:52, 472 [ref. 26218], Compagno et al. 2005:33 [ref. 29145] with question, Ebert et al. 2013:326 [ref. 33045], Parin et al. 2014:22 [ref. 33547], Dyldin 2015:52 [ref. 34524], Weigmann 2016:50 [ref. 34211], Dyldin & Orlov 2018:164 [ref. 35920], Kim et al. 2020:39 [ref. 39118], Sonoyama et al. 2020:9 [ref. 37637], Dyldin et al. 2021:15 [ref. 38804] with question, Dyldin & Orlov 2021:55 [ref. 38158], Dyldin et al. 2022:[6] [ref. 39193], Toyama et al. 2025:14 [ref. 42086], Yoshida et al. 2025:25 [ref. 42063]). Current status: Valid as Triakis scyllium Müller & Henle 1839. Triakidae: Triakinae. Distribution: Northwestern Pacific: Taiwan and East China Sea north to Sea of Japan (Korea, Russia, Japan) and Pacific coast of Hokkaido (Japan). IUCN (2021): Endangered. Habitat: brackish, marine.

semifasciatum, Triakis Girard [C. F.] 1855:196 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 7 (no. 6); ref. 18001] Near Presidio, San Francisco, California, U.S.A. Syntypes: USNM 988 (1, not found in 1980). Type catalog: Howe & Springer 1993:13 [ref. 21812]. See Mustelus felis Ayres 1854. Mustelus felis is a senior synonym of Triakis semifasciata Girard 1855, but felis is an unused senior synonym subject to Reversal of Precedence (Art. 23.9.1). Triakis is feminine, so the spelling semifasciata is used. •Valid as Triakis semifasciatum Girard 1855 -- (Dimick 1944:253 [ref. 39451]). •Valid as Triakis semifasciata Girard 1855 -- (Eschmeyer & Herald 1983:35 [ref. 9277], Compagno 1984:433 [ref. 6846], Compagno et al. in Fischer et al. 1995:743 [ref. 22829], De La Cruz Agüero et al. 1997:33 [ref. 24545], Compagno 1999:482 [ref. 25589], Espinosa Pérez et al. 2004:44 [ref. 27705] dated to 1854, Nelson et al. 2004:53 [ref. 27807], Love et al. 2005:7 [ref. 37547], Castro 2011:384 [ref. 31457], Pietsch et al. 2012:98 [ref. 31825], Page et al. 2013:51 [ref. 32708], Pietsch & Orr 2015:15 [ref. 34694], Del Moral-Flores et al. 2016:88 [ref. 34398], Weigmann 2016:51 [ref. 34211], Kells et al. 2016:68 [ref. 35888], Ebert et al. 2017:55 [ref. 35618], Ehemann et al. 2018:23 [ref. 36194], Burton & Lea 2019:29 [ref. 37205], González-Acosta et al. 2021:6 [ref. 38361], Love et al. 2021:17 [ref. 39279], Page et al. 2023:39 [ref. 40505], Fricke et al. 2024:69 [ref. 41622]). Nomen Protectum. Current status: Valid as Triakis semifasciata Girard 1855. Triakidae: Triakinae. Distribution: Eastern Pacific: Washington (U.S.A.) south to Pacific coast of Baja California Sur (Mexico), including Guadalupe Island (Mexico) and Gulf of California (Mexico). Habitat: marine.