Seeing two deep sea animals interacting with each other is rare. What is particularly rare is when they behave the opposite of how we expect them to. As we approached this armored sea robin, a brittle star climbed on top. We were pretty sure that the fish would try to eat the brittle star, but as it turns out, it just wanted to dislodge the extra baggage. The brittle star then proceeded to climb on top of the sea robin two more times.

Seeing two deep-sea animals interacting with each other is rare. What is particularly rare is when they behave the opposite of how we expect them to. As we approached this armored sea robin, a brittle star climbed on top of the fish. We were pretty sure that the fish would try to eat the brittle star, but as it turns out, it just wanted to dislodge the extra baggage. The brittle star then proceeded to climb on top of the sea robin two more times. Image courtesy of NOAA Okeanos Explorer Program, Océano Profundo 2015: Exploring Puerto Rico’s Seamounts, Trenches, and Troughs.

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