This is the page about Sheldon (fish). If you were looking for the article about Plankton, then see Sheldon J. Plankton.

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Sheldon is a fish citizen of Bikini Bottom. He is usually seen at the Krusty Krab and Goo Lagoon.


He is a light gray colored fish with dark purple arms and a dark purple dorsal fin and has several purple spots. He wears red shorts.


He went to the Krusty Krab with Jennifer Millie in "Pickles" and with Tina in the episode "The Algae's Always Greener." Sheldon also appears in the episode "Walking the Plankton," jumping off the ship after Karen splits it in half. He is also a friend of Squilliam Fancyson.