frykenensis, Cottus quadricornis Lönnberg [E.] 1932:14, Pl. (fig. 5) [Arkiv för Zoologi v. 24 A (pt 2) (no. 7); ref. 16380] Lake Fryken, Sweden. Syntypes: NRM 30315 (1), Mus. of Karlstad's school (1), Uppsala Univ. Zool. Mus. (1). •Synonym of Triglopsis quadricornis (Linnaeus 1758) -- (Kottelat 1997:170 [ref. 22952]). •Synonym of Myoxocephalus quadricornis (Linnaeus 1758) -- (based on generic placement of quadricornis). Current status: Synonym of Myoxocephalus quadricornis (Linnaeus 1758). Psychrolutidae: Myoxocephalinae. Habitat: freshwater, brackish, marine.