Ocean Art 2025 – Honorable Mention Macro

Ocean Art 2025

Honorable Mention Macro

Luis Arpa Toribio

“Complements”

 

Luis Arpa Toribio won a 4 night dive trip for two to Dumaguete, Philippines with Atmosphere Resort & Spa!

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The Story:

Two pygmy seahorses (Hippocampus bargibanti) are shown clinging to their host sea fan. This species is an obligate associate of gorgonian corals, relying on extreme morphological and chromatic camouflage for survival. H. bargibanti exhibits specialized dermal tubercles and coloration that closely match the polyps, branches, and overall texture of the host sea fan, providing effective concealment from predators. Individuals are typically found in pairs and display strong site fidelity.
This image was captured at a depth of approximately 30 meters from a very low angle using a slow shutter speed to preserve ambient blue water tones, which contrast with the yellow pigmentation of the sea fan and the seahorses. Strobe lighting was used selectively to maintain sharp focus on the seahorses while allowing a slight motion blur in the sea fan, emphasizing water movement and adding a sense of depth. Achieving this balance required careful control of exposure, lighting distance, and camera movement.
Due to the technical complexity of the setup, limited bottom time at depth, and the small size and cryptic nature of the subjects, I returned to the same dive site on three separate dives before successfully capturing this image. Throughout the process, particular care was taken to avoid contact with the sea fan or disturbance to the animals. Notably, all coral polyps remained fully extended during the shoot, indicating an absence of stress or physical interference.
The photograph documents a highly specialized symbiotic relationship and highlights the evolutionary adaptations that allow pygmy seahorses to persist in complex reef environments, while demonstrating how underwater imaging can be conducted responsibly without altering natural behavior.

Location:

 Indonesia, Sulawesi, Lembeh strait

Equipment Used:

  • Camera – Nikon Z7
  • Housing – Nauticam
  • Strobe/light – 2x Retra Pro II

Camera Settings:

  • ISO 400
  • F/25
  • Shutter speed 1/5s

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