Figure 4 from: Costa WJEM (2017) Redescription of Nothobranchius lucius and description of a new species from Mafia Island, eastern Tanzania (Cyprinodontiformes, Aplocheilidae). Zoosystematics and Evolution 93(1): 35-44. https://doi.org/10.3897/zse.93.11041

Figure 4 - Jaws, jaw suspensorium and opercular apparatus, left side, lateral view, of: A. Nothobranchius lucius, paratype, male, MRAC A7-02-P-10-25, 43.0 mm SL; B. Nothobranchius melanospilus, male, UFRJ 6591, 43.5 mm SL. Larger stippling indicates cartilage. Scale bar = 1 mm.