World Register of Marine Species (WoRMS)
Cottus protrusus Schultz & Spoor, 1933
Froese, R. and D. Pauly. Editors. (2026). FishBase. Cottus protrusus Schultz & Spoor, 1933. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=306176 on 2026-08-29
Schultz, L. P.; Spoor, W. A. (1933). Cottus protrusus, a new sculpin from Unalaska Island. Copeia. 1933(3): 142-145.