Otophidium indefatigabile Jordan & Bollman, 1890 .

Bighead Cusk-eel or Panamic Cusk-eel. To 11.7 cm (4.6 in) TL (Lea in Fischer et al. 1995). Punta Marquez (24°05.7’N, 111°05.7’W), southern Baja California (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California); Gulf of California (Lea in Fischer et al. 1995) to Ecuador (Béarez 1996); Islas Galápagos (Lea in Fischer et al. 1995). Benthic; depth: 5–1,401 m (17–4,595 ft) (min.: Robertson and Allen 2002; max.: Morera et al. 2019).