silhouette of a predatory barracuda in translucent ocean waters a stunning underwater photography masterpiece

barracuda silhouette underwater marine life predator fish ocean sea nature wildlife aquatic animal creature biology ichthyology pelagic reef tropical saltwater carnivore ambush streamlined body sharp teeth dorsal fin caudal pectoral fins pelvic scales gills habitat conservation translucent water environment portrait elegant graceful hunting prey biodiversity efforts depths ecosystem world