oarfish regalecus glesne is displayed against a white background highlighting its elongated body vibrant colors and

oarfish regalecus glesne marine life aquatic species fish anatomy sea creatures ocean wildlife biology elongated vibrant colors fins body structure rare pelagic environment underwater exploration behavior ecosystems diversity oceanography ichthyology characteristics scientific study habitats oceanic classification reproduction morphology creature identification fauna biodiversity conservation research traits animal residents observation unusual studies ai generated