effulgens, Pristigaster (Opisthopterus) Regan [C. T.] 1903:621 [Annals and Magazine of Natural History (Series 7) v. 12 (no. 72) (art. 64); ref. 13401] Río Vaqueria, northwestern Ecuador. Holotype (unique): BMNH 1902.4.29.49. •Valid as Pristigaster effulgens Regan 1903 -- (Ovchynnyk 1967:26 [ref. 37559]). •Valid as Opisthopterus effulgens (Regan 1903) -- (Whitehead 1985:291 [ref. 5141], Whitehead & Rodriguez-Sánchez in Fischer et al. 1995:1417 [ref. 22830], Barriga Salazar 2014:104 [ref. 35745]). Current status: Valid as Opisthopterus effulgens (Regan 1903). Pristigasteridae. Distribution: Eastern Pacific: southern Colombia south to Ecuador. Habitat: freshwater, brackish, marine.