Harlequin Filefish (Oxymonacanthus longirostris) - Orange-Spotted | Digital Marine Atlas

The Polka-Dot Jewel of the Coral Forest

​The Harlequin Filefish (also known as the Orange-Spotted Filefish) is one of the most visually stunning and uniquely shaped inhabitants of the Indo-Pacific reefs. Instantly recognizable by its vibrant pale blue-green body covered in bright orange-yellow spots and its distinctive elongated snout, this peaceful species is a true vivid masterpiece of natural design. Small in size but big in character, it is a highly specialized marine fish that thrives in mature reef environments, acting as a stunning gem among the corals.

​Developed using real marine reference observations and scientific classification standards.

​Common Name: Harlequin Filefish (Orange-Spotted)

​Scientific Name: Oxymonacanthus longirostris

​Origin: Indo-Pacific (Great Barrier Reef, Red Sea, and Indo-West Pacific regions)

​Behavior: Peaceful but specialized (Expert care required)

​[Exclusive Video Observation Included]

​This edition includes an HD short observation clip showcasing its elegant hovering behavior, specialized feeding movements, and its incredible natural camouflage in a reef setting.

​Best for: advanced marine aquarists, nano-reef enthusiasts, marine biologists, and digital reference collectors.

​Note: Full care data (including its 80L tank requirement, specific diet, and water parameters) is included in the Digital Infographic Card inside your download folder.

​Formats included: High-Resolution Infographic Card (PNG/PDF) + HD Video Clip (MP4).

​Part of the CECOZ Digital Marine Atlas Collection – Exploring the world, one species at a time.