multiradiatus, Hypostomus Hancock [J.] 1828:246 [Zoological Journal, London v. 4; ref. 18242] [Probably near Santa Catalina, Orinoco system], Demerara, Guyana. Holotype (unique): BMNH 1857.6.13.162 [ex Zool. Soc.] (stuffed). Type catalog: Ferraris 2007:291 [ref. 29155]. •Valid as Liposarcus multiradiatus (Hancock 1828) -- (Weber 1991:642 [ref. 19114], Weber 1992:9, 27 [ref. 19714], Chang & Ortega 1995:7 [ref. 24302], Burgess & Finley 1996:169 [ref. 22901], Montoya-Burgos et al. 1998:367 [ref. 23850], Fuller et al. 1999:225 [ref. 25838], Isbrücker 2001:28, 29 [ref. 25653], Isbrücker 2002:20 [ref. 27178], Weber in Reis et al. 2003:365 [ref. 27061]). •Valid as Pterygoplichthys multiradiatus (Hancock 1828) -- (Ovchynnyk 1967:40 [ref. 37559], Isbrücker 1980:42 [ref. 2303], Ortega & Vari 1986:18 [ref. 9708], Burgess 1989:433 [ref. 12860], López & Miquelarena 1991:42 [ref. 23548], Page & Burr 1991:211 [ref. 18983], Nelson et al. 2004:84 [ref. 27807], Menni 2004:81 [ref. 28131] as multiradiata, Mundy 2005:156 [ref. 28379], Page & Robins 2006:455 [ref. 28913], Armbruster & Page 2006:403 [ref. 28898], Scharpf 2006:20 [ref. 30386], Ferraris 2007:291 [ref. 29155], Page & Burr 2011:371 [ref. 31215], Page et al. 2013:82 [ref. 32708], DoNascimiento et al. 2017:82 [ref. 35633], Urbano-Bonilla et al. 2018:76 [ref. 35773], Rodríguez-Barrera et al. 2020:45 [ref. 37800], Page et al. 2023:80 [ref. 40505]). Current status: Valid as Pterygoplichthys multiradiatus (Hancock 1828). Loricariidae: Hypostominae. Distribution: South America: Orinoco River basin (?Argentina, Colombia, ?Guyana and Venezuela). Introduced elsewhere, including Taiwan, Hawaiian Islands, Puerto Rico and Florida (U.S.A.). Habitat: freshwater.