Robuta

https://nas.er.usgs.gov/Queries/SpecimenViewer.aspx?SpecimenID=550341 Blue Tilapia (Oreochromis aureus) - Collection record Blue Tilapia (Oreochromis aureus) - Collection record blue tilapiaaureuscollectionrecord https://cris.iucc.ac.il/en/publications/structure-composition-mechanics-and-growth-of-spines-of-the-dorsa/ Structure, composition, mechanics and growth of spines of the dorsal fin of blue tilapia... blue tilapiastructurecompositionmechanicsgrowth