Acipenser transmontanus Richardson, 1837 .

White Sturgeon. Perhaps to 6 m (20 ft) FL (Moyle 2002). Moyle notes that the largest length records for this species were made before 1900 and “were subject to inaccurate measurements and exaggerated reporting.” Moyle also notes the largest recent record, from Oregon, was 3.2 m (10.5 ft) long. Northern Gulf of Alaska (Mecklenburg et al. 2002) to Bahía de Todos Santos, northern Baja California (Ruiz-Campos et al. 2011). Depth: to 122 m (400 ft) at sea (Miller and Lea 1972). Anadromous.