Symphurus oligomerus Mahadeva & Munroe, 1990 .

Spotfin Tonguefish or Whitetail Tonguefish. To 16 cm (6.3 in) TL (Robertson and Allen 2002). Off Point Mugu (34°02.5’N, 119°07.5’W), southern California (Walker et al. 2020); southern tip of Baja California (Munroe et al. in Fischer et al. 1995) to northern Peru (Chirichigno and Vélez 1998), including Gulf of California (Munroe et al. in Fischer et al. 1995). Benthic; depth: 32–1,008 m (105–3,306 ft) (min.: Vargas et al. 2020; max.: Jacobsen Stout et al. 2016).