When is National Sea Monkey Day?

Tuesday May 16th

Sea-Monkey, the tiny brine shrimp, is better known by its brand name. Many of us commemorate fond childhood memories of National Sea Monkey Day each year as we look back to our aquariums stocked with these magical little creatures that hatched and grew before our eyes on the 16th of May.

National Sea Monkey Day | May 16

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Sea Monkeys are a form of Artemia (brine shrimp). They were given their name because of their monkey-tail appearance.

In 1957, Harold von Braunhut invented the "Sea Monkeys" and hatching kits in response to the ant farms' success. He did the bulk of his advertising through comic books. "I think I bought something like 3.2 million pages of comic book ads a year," he said. "It's been a pleasure to me" says the website.

These little crustaceans have made their appearances on television shows including Spin City, Roseanne, Night Court, South Park, The Simpsons, It's Garry Shandling's Show, and Desperate Housewives.