https://artedi.nrm.se/nrmfish/images/tNRM37417.jpg
Gymnocephalus cernua
NRM 37417
SWEDEN: Lake Mälaren basin: Sverkestaån River drainage, Lake Bysjön near Grimsö
Date collected: 12-13 Aug 1987
Artist: Kullander, SO

https://artedi.nrm.se/nrmfish/images/tNRM37417a.jpg
Gymnocephalus cernua
NRM 37417
SWEDEN: Lake Mälaren basin: Sverkestaån River drainage, Lake Bysjön near Grimsö
Date collected: 12-13 Aug 1987
Artist: Kullander, SO

https://artedi.nrm.se/nrmfish/images/tNRM60001.jpg
Gymnocephalus cernua
NRM 60001
SWEDEN: Lake Vänern, NNE Lidköping, W Mariestad
Date collected: 18 aug 2008
Artist: Kajrup, B

https://artedi.nrm.se/nrmfish/images/tNRM51404a.jpg
Gymnocephalus cernua
NRM 51404
SWEDEN: Off Väddö Island between Sandviken Bay and Lerbådan Islet, 14 m depth
Date collected: 13 Apr 2009
Artist: Kajrup, B

https://artedi.nrm.se/nrmfish/images/tNRM50206a.JPG
Gymnocephalus cernua
NRM 50206
SWEDEN: Himmerfjärden Bay off Sorunda, 3 tows mixed
Date collected: 26 Aug 2003 to 27 Aug 2003
Artist: Norén, M

https://artedi.nrm.se/nrmfish/images/tNRM50206b.JPG
Gymnocephalus cernua
NRM 50206
SWEDEN: Himmerfjärden Bay off Sorunda, 3 tows mixed
Date collected: 26 Aug 2003 to 27 Aug 2003
Artist: Norén, M