Blue Tang Surgeonfish - Vibrant Marine Fish Species Guide #1744195 (License: Personal Use)

The blue tang surgeonfish (Paracanthurus hepatus) features a brilliant royal-blue body contrasted by vivid lime-green dorsal and anal fins, a jet-black head, and a caudal fin marked with black vertical stripes. Its laterally compressed body and small, protrusible mouth are adapted for grazing on algae in coral reef environments across the Indo-Pacific. Known for its graceful swimming and social behavior, it’s a popular yet challenging species for experienced aquarists.

Used in marine biology education, aquarium hobbyist guides, conservation awareness pages, and travel content about tropical diving destinations; matches user intent to identify, learn about, or photograph exotic reef fish.