4474 Gymnocephalus cernua Gycer_u5.jpg http://www.fishbase.org/images/species/Gycer_u5.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Gycer_u5.jpg Muséum-Aquarium de Nancy/D. Terver Gycer_u6.jpg http://www.fishbase.org/images/species/Gycer_u6.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Gycer_u6.jpg Muséum-Aquarium de Nancy/D. Terver Gycer_u0.jpg http://www.fishbase.org/images/species/Gycer_u0.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Gycer_u0.jpg Zienert, S. Gycer_u2.jpg http://www.fishbase.org/images/species/Gycer_u2.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Gycer_u2.jpg Bednarzik, J. Gycer_u1.jpg http://www.fishbase.org/images/species/Gycer_u1.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Gycer_u1.jpg JJPhoto Gycer_f0.jpg http://www.fishbase.org/images/species/Gycer_f0.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Gycer_f0.jpg Otel, V. Gycer_m0.jpg http://www.fishbase.org/images/species/Gycer_m0.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Gycer_m0.jpg Otel, V. Gycer_u4.jpg http://www.fishbase.org/images/species/Gycer_u4.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Gycer_u4.jpg Geraskin, A. Gycer_u1.gif http://www.fishbase.org/images/species/Gycer_u1.gif http://www.fishbase.org/images/thumbnails/gif/tn_Gycer_u1.gif Canadian Museum of Nature, Ottawa, Canada Gycer_j0.gif http://www.fishbase.org/images/species/Gycer_j0.gif http://www.fishbase.org/images/thumbnails/gif/tn_Gycer_j0.gif Pinder, A.C. Gycer_u3.jpg http://www.fishbase.org/images/species/Gycer_u3.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Gycer_u3.jpg Damstra, E.S. Gycer_l2.gif http://www.fishbase.org/images/species/Gycer_l2.gif http://www.fishbase.org/images/thumbnails/gif/tn_Gycer_l2.gif Pinder, A.C. Gycer_l0.gif http://www.fishbase.org/images/species/Gycer_l0.gif http://www.fishbase.org/images/thumbnails/gif/tn_Gycer_l0.gif Pinder, A.C. Gycer_l1.gif http://www.fishbase.org/images/species/Gycer_l1.gif http://www.fishbase.org/images/thumbnails/gif/tn_Gycer_l1.gif Pinder, A.C. Gycer_l3.gif http://www.fishbase.org/images/species/Gycer_l3.gif http://www.fishbase.org/images/thumbnails/gif/tn_Gycer_l3.gif Pinder, A.C. Gycer_j0.gif http://www.fishbase.org/images/species/Gycer_j0.gif http://www.fishbase.org/images/thumbnails/gif/tn_Gycer_j0.gif Pinder, A.C.