Pictures of weatherfishes taken one month after hatching (30.6.18) when larvae transformed into juveniles. Top panel: M. fossilis with larval fin fold still present. Center panel: Hybrid weatherfish with rests of larval fin fold present. Lower panel: M. anguillicaudatus – only small remnants of larval fin fold visible. Photographs: Sylvia Wanzenböck.

  Part of: Wanzenböck J, Hopfinger M, Wanzenböck S, Fuxjäger L, Rund H, Lamatsch DK (2021) First successful hybridization experiment between native European weatherfish (Misgurnus fossilis) and non-native Oriental weatherfish (M. anguillicaudatus) reveals no evidence for postzygotic barriers. NeoBiota 69: 29-50.