A marine biologist posted a picture of a yellow sea sponge sitting next to a pink starfish in the Atlantic Ocean.
The sea creatures closely resemble the cartoon characters SpongeBob and Patrick from television show "SpongeBob SquarePants."
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Christopher Mah, a researcher affiliated with the National Oceanic and Atmospheric Administration, tweeted "I normally avoid these refs..but WOW. REAL LIFE Sponge bob and Patrick! #Okeanos Retreiver seamount 1885 m" along with a picture of the Hertwigia (sponge) and Chondraster (starfish).