Electron Microscopy / Skeletal muscle biology / Transmission Electron Microscopy / Mitochondria / Gene expression / Danio rerio / Energy Metabolism / Protein Structure and Function / Electron Transfer / Animals / Male / Cytochrome c oxidase / ATP synthase / Electron Transport / Human health / Skeletal Muscle / Oxidative phosphorylation / Western blot / Zebrafish / Succinate Dehydrogenase / Biochemistry and cell biology / Adenosine Triphosphate / Respiratory Rate / Danio rerio / Energy Metabolism / Protein Structure and Function / Electron Transfer / Animals / Male / Cytochrome c oxidase / ATP synthase / Electron Transport / Human health / Skeletal Muscle / Oxidative phosphorylation / Western blot / Zebrafish / Succinate Dehydrogenase / Biochemistry and cell biology / Adenosine Triphosphate / Respiratory Rate