National Sea Monkey Day – May 16th

Turda salt marsh - brine shrimp

National Sea Monkey Day

National Sea Monkey Day is celebrated annually on May 16th. This day celebrates the tiny brine shrimp that swim around in those small aquariums we love to play with when we were little.

  • National Sea Monkey Day We all have memories of these Sea Monkey kits when we were kids, dropping the package of dried “stuff” into an aquarium and watching it turn to little living beings! Sea Monkey kits were created in 1957, by Harold von Braunhut who came up with a three pouch kit to bring these little critters to life. The packets include This packet contains salt, water conditioner, and some brine shrimp eggs.Braunhut said that in the 1960’s and 1970’s he marketed Sea Monkeys mostly in comic books. To this day Sea Monkeys remain a popular gift for kids.Astronaut John Glenn took Sea-Monkeys into space on October 29, 1998, aboard Space Shuttle Discovery during mission STS-95. After nine days in space, they were returned to Earth, and hatched eight weeks later apparently unaffected by their travels. Although, earlier experiments on Apollo 16 and Apollo 17, where the eggs traveled to the Moon and back and were exposed to significant cosmic rays, observed a high sensitivity to cosmic radiation in the Artemia salina eggs.

    Where does the Name Sea Monkeys come from?

    The Monkey part of the name, comes from the brine shrimp’s long tail. Sea Monkeys live in inland salt water bodies like the Great Salt Lake in northern Utah, on the rocky coast south of San Francisco, and in the Caspian Sea.

    Fun Sea Monkey FactsSea Monkey (brine shrimp)

    • Sea Monkeys are born with just one eye, but later develop two as they get older.
    • Brine shrimp breathe through their feet. They have gills on their feet that they use to breathe through.
    • The color of brine shrimp comes about by where they live and what they eat.
    • Most brine shrimp of females and are able to fertilize their own eggs without the help of the male brine shrimp. This is called parthoneogenesis.
    • Sea  Monkeys have travelled to space twice with astronauts. (See Above)





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