Micro-CT was performed to a Seriola sp. juvenile. This sample was fixed in formalin and preserved in ethanol. Specimen was stained with 0.3% PTA dissolved in 70% ethanol. Scan was performed with a Skyscan 1172 at a voltage of 49kV and 198μΑ without filter for a full rotation of 360o . This specimen was scanned at the highest camera resolution with an exposure time of 625ms. This scan was performed for the visualisation of the gastrointestinal system of this specimen. Specimen was provided by Ioannis Papadakis (HCMR) and scanned by Niki Keklikoglou.