68.7 MB (2.7 MB compressed)
6000 x 4000 pixels
50.8 x 33.8 cm ⏐ 20.0 x 13.3 in (300dpi)
DANTE FENOLIO / SCIENCE PHOTO LIBRARY DANTE FENOLIO / SCIENCE PHOTO LIBRARY
The Pacific Hatchetfish (Argyropelecus affinis) can be found to depths of 3,870 meters. This individual was captured in a trawl between 600 and 200 meters depth in the Gulf of Mexico, 2016. Hatchetfishes are mesopelagic fishes which are laterally compressed. They have photophores on their ventral surfaces to eliminate their silhouette from predators looking upward from below. This hide in plain sight tactic is known as counterillumination. Image courtesy of the DEEPEND project.
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