Attributes / relations provided by
♦ ¹Diet of Pacific halibut (Hippoglossus stenolepis) in the northwestern Pacific Ocean, I. N. Moukhametov, A. M. Orlov, and B. M. Leaman, INTERNATIONAL PACIFIC HALIBUT COMMISSION, Technical Report No. 52 (2008)
♦ ²del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.