mykiss, Salmo Walbaum [J. J.] 1792:59 [Petri Artedi sueci genera piscium Part 3; ref. 4572] Kamchatka, Russia. No types known. Western authors do not usually recognize the genus Parasalmo. American authors include Salmo gairdneri and Salmo iridea as synonyms of Oncorhynchus mykiss. •Valid as Oncorhynchus mykiss (Walbaum 1792), subspecies mykiss -- (Stearley & Smith 1993:21 [ref. 26683], Hanel & Lusk 2005:310 [ref. 28804], Miller 2006:176 [ref. 28615]). •Valid as Salmo mykiss Walbaum 1792 -- (Berg 1948:267 [ref. 12882], Kawanabe & Mizuno 1989:152 [ref. 25598], Mitrofanov et al. 1992:119 [ref. 37756], Scharpf 2006:30 [ref. 30386] with subspecies, Shrestha 2008:200 [ref. 29923], Minckley & Marsh 2009:90, 95 [ref. 31114]). •Valid as Parasalmo mykiss (Walbaum 1792) -- (Chereshnev 1996:604 [ref. 24659], Reshetnikov et al. 1997:729 [ref. 24702], Zolotukhin & Romanov 1998:418 [ref. 24678], Dorofeeva & Savvaitova 1998:34 [ref. 23574], Keith et al. 1999:80 [ref. 24548], Sheiko & Fedorov 2000:20 [ref. 25650], Bogutskaya et al. 2001:46 [ref. 26178], Chereshnev et al. 2001:88 [ref. 26736], Kuzishchin et al. 2002:751 [ref. 26574], Fedorov et al. 2003:40 [ref. 27579], Alekseyev et al. 2004:48 [ref. 27625], Bogutskaya & Naseka 2004:154 [ref. 28183], Bogutskaya et al. 2008:348 [ref. 30085], Parin et al. 2014:135 [ref. 33547], Dyldin et al. 2020:83, 103 [ref. 37569]). •Valid as Oncorhynchus mykiss (Walbaum 1792) -- (Tomelleri & Eberle 1990:49 [ref. 24089], Page & Burr 1991:54 [ref. 18983], Pethiyagoda 1991:169 [ref. 20075], Coad 1991:20 [ref. 15702], Boschung 1992:68 [ref. 23239], Behnke 1992:161 [ref. 23385], Espinosa Pérez et al. 1993:30 [ref. 22290], Etnier & Starnes 1993:346 [ref. 22809], Swift et al. 1993:109 [ref. 22379], Skelton 1993:263 [ref. 24071], Gomon et al. 1994:230 [ref. 22532], Jenkins & Burkhead 1994:584 [ref. 21581], Poll & Gosse 1995:101 [ref. 24781], Coad 1995:25 [ref. 23608], Baxter & Stone 1995:180 [ref. 23374], Stauffer et al. 1995:235 [ref. 23376], Cross & Collins 1995:168 [ref. 23394], Mrakovcic et al. 1995:183 [ref. 23079], Davies & McDowall in McDowall 1996:87 [ref. 22909], Andersen & Deacon 1996:126 [ref. 24717], Coad 1996:85 [ref. 25304], Chilcott & Humphries 1996:145 [ref. 25528], Mettee et al. 1996:423 [ref. 25836], Kottelat 1997:124 [ref. 22952], Murdy et al. 1997:101 [ref. 23144], Kim 1997:515 [ref. 24032], Sigler & Sigler 1996:177 [ref. 25943], Morgan et al. 1998:39 [ref. 24611], De la Cruz-Agüero 1999:77 [ref. 23979], Fricke 1999:87 [ref. 24106], Fuller et al. 1999:250 [ref. 25838], Dyer 2000:89 [ref. 26678], Lyons et al. 2000:48 [ref. 26594]. Nakabo 2000:299 [ref. 25086], Rafique 2000:323 [ref. 25220], Azeroual et al. 2000:20 [ref. 25366], Matsuura et al. 2000:29 [ref. 26000], Pietsch et al. 2001:143 [ref. 25688], Hutchins 2001:18 [ref. 25847], Gabrielyan 2001:25 [ref. 25867], Ross et al. 2001:339 [ref. 25978], Bianco & Ketmaier 2001:200 [ref. 26728], Skelton 2001:263 [ref. 27406], Kim & Park 2002:286 [ref. 25913], Kocik & Friedland in Collette & Klein-MacPhee 2002:173 [ref. 26158], Allen et al. 2002:357 [ref. 25930], Nakabo 2002:299 [ref. 26001], Mecklenburg et al. 2002:204 [ref. 25968], Choi et al. 2003:194, 531 [ref. 26218], Moyle 2002:271 [ref. 26449], Mirza 2003:3 [ref. 27265], López et al. 2003:67 [ref. 27366], Jang et al. 2003:119 [ref. 27681], Wydoski & Whitney 2003:73 [ref. 27816] with author as Richardson, Hanel 2003:58 [ref. 27894], Seegers et al. 2003:39 [ref. 28087], Nelson et al. 2004:86 [ref. 27807], Bailey et al. 2004:151 [ref. 27882], Miller & Robison 2004:256 [ref. 27931], Boschung & Mayden 2004:352 [ref. 27995], Snoeks 2004:21 [ref. 28111], Hammer & Walker 2004:91 [ref. 28129], Menni 2004:85 [ref. 28131], Love et al. 2005:34 [ref. 37547], Vassilev & Pehlivanov 2005:164 [ref. 28369], Mundy 2005:162 [ref. 28379], Paxton et al. 2006:414 [ref. 28994], Fricke 2007:28 [ref. 30577], Kottelat & Freyhof 2007:400 [ref. 29996], McPhail 2007:275 [ref. 31199], Raadik 2008:212 [ref. 30624], Ninua & Japoshvili 2008:168 [ref. 31251], Fricke et al. 2009:23 [ref. 30213], Esmaeili et al. 2010:373 [ref. 33391], Lipej & Dulčić 2010:21 [ref. 36649], Page & Burr 2011:410 [ref. 31215] with 6 subspecies, Marshall 2011:190 [ref. 31755], Hammer et al. 2012:66 [ref. 32389], Angulo et al. 2013:994 [ref. 33194], Gurung et al. 2013:4884 [ref. 32969], Kottelat 2013:270 [ref. 32989], Page et al. 2013:87 [ref. 32708], Barriga Salazar 2014:104 [ref. 35745] as Onchoryncus, Sarmiento et al. 2014:135, 189 [ref. 35004], Barbieri et al. 2015:82 [ref. 35029], Çiçek et al. 2015:150 [ref. 35151], Jouladeh-Roudbar et al. 2015:891 [ref. 34062], Jiménez-Prado et al. 2015:290 [ref. 34894], McDowall & Roberts 2015:411 [ref. 34244], Mirande & Koerber 2015:49 [ref. 35117], Pietsch & Orr 2015:22 [ref. 34694], Bertaco et al. 2016:435 [ref. 34561], Kells et al. 2016:100 [ref. 35888], Nión et al. 2016:35 [ref. 35565], Reis et al. 2016:18 [ref. 34496], Zhang et al. 2016:212 [ref. 34477], Esmaeili et al. 2017:76 [ref. 35254], Esmaeili et al. 2018:56 [ref. 36089], Fricke et al. 2018:64 [ref. 35805], Kuiter 2018:106 [ref. 36369], Burton & Lea 2019:41 [ref. 37205], Ćaleta et al. 2019:176 [ref. 37026], Carneiro et al. 2019:85 [ref. 37250], Lorenzoni et al. 2019:253 [ref. 37108], Bayçelebi 2020:760 [ref. 37964], Çiçek & Sungur 2020:117 [ref. 38064], Çiçek et al. 2020:255 [ref. 37644], Jouladeh-Roudbar et al. 2020:219 [ref. 37983], Kaya et al. 2020:339 [ref. 37582], Yogurtçuoglu et al. 2020:[15] [ref. 37627], Bayhan 2021:250 [ref. 40683], Kelleci et al. 2021:282 [ref. 38359], Love et al. 2021:53 [ref. 39279], Bogdanov & Knizhin 2022:1697 [ref. 40154], Çiçek et al. 2022:4 [ref. 38985], Meza-Vargas et al. 2022:4 [ref. 39566], Pozdeev et al. 2022:6 [ref. 39511], Bagley et al. 2023:316 [ref. 41241], Bertaco & Azevedo 2023:3 [ref. 39997], Bertaco et al. 2023:8 [ref. 40740], Çiçek et al. 2023:42 [ref. 40326], Çiçek et al. 2023:464 [ref. 40601], Çiçek et al. 2023:27 [ref. 40616], Çiçek et al. 2023:421 [ref. 40625], Çiçek et al. 2023:152 [ref. 40728], Mousavi-Sabet et al. 2023:33 [ref. 40667], Nagy et al. 2023:357 [ref. 40348], Page et al. 2023:83 [ref. 40505], Saad et al. 2023:36 [ref. 40501], Shumka et al. 2023:38 [ref. 40747], Çiçek et al. 2024:284 [ref. 40789]). Current status: Valid as Oncorhynchus mykiss (Walbaum 1792). Salmonidae: Salmoninae. Distribution: North Pacific and adjacent basins. Widely introduced elsewhere. Habitat: freshwater, brackish, marine.