Perissias taeniopterus (Gilbert, 1890). Flag Flounder or Striped-fin Flounder. To 15 cm (5.9 in) TL (Amezcua Linares 1996). Laguna San Ignacio (Kosegarten-Villarreal et al. 2016); tip of Baja California to Ecuador (Robertson and Allen 2015), including Gulf of California (Hensley in Fischer et al. 1995). Benthic; depth: 41–160 m (134–525 ft) (min.: Castro-Aguirre 1992; max.: Vargas et al. 2020).