Sea-Monkeys
Other namesInstant Life
TypeNovelty aquarium pet
Inventor(s)Harold von Braunhut
CountryUnited States
Availability1962–present
SloganThe World's Only Instant Pets!

Sea-Monkeys is a marketing term for brine shrimp (Artemia) sold as novelty aquarium pets. Developed in the United States in 1957[1] by Harold von Braunhut, they are sold as eggs intended to be added to water, and almost always come bundled in a kit of three pouches and instructions. Sometimes a small tank and additional pouches are included. The product was heavily marketed in the 1960s and 70s, especially in comic books, and remains a presence in popular culture.[2]

History

Sea-Monkeys

Ant farms had been popularized in 1956 by Milton Levine.[3] Harold von Braunhut invented a brine-shrimp-based product the next year, 1957.[3] Von Braunhut collaborated with a marine biologist, Anthony D’Agostino, to develop the proper mix of nutrients and chemicals in dry form that could be added to plain tap water to create a suitable habitat for the shrimp to thrive. Von Braunhut was granted a patent for this process on July 4, 1972.[4]

They were initially called "Instant Life" and sold for $0.49,[5] but von Braunhut changed the name to "Sea-Monkeys" in 1962. The new name was based on their salt-water habitat, together with the supposed resemblance of the animals' tails to those of monkeys.[6]

Sea-Monkeys were intensely marketed in comic books throughout the 1960s and early 1970s[6] using illustrations by the comic-book illustrator Joe Orlando. These showed humanoid animals that bore no resemblance to the crustaceans.[7] Many purchasers were disappointed by the dissimilarity and by the short lifespan of the animals.[6] Von Braunhut is quoted as stating: "I think I bought something like 3.2 million pages of comic book advertising a year. It worked beautifully."[6]

The National Anti-Zionist Institute, an antisemetic publication pseudonymously operated by "Hendrik von Braun", was found in 2000 to be concurrently using an address reserved for processing mail-orders of Von Braunhut's Sea-Monkeys.[8]

Use

A colony is started by adding the contents of a packet labeled "Water Purifier" to a tank of water. This packet contains salt, water conditioner, and some brine shrimp eggs. After 24 hours, this is augmented with the contents of a packet labeled "Instant Life Eggs," containing more eggs, yeast, borax, soda, salt, some food, and sometimes a dye.[7] Shortly after that, Sea-Monkeys hatch from the eggs that were in the "Water Purifier" packet. "Growth Food" containing yeast and spirulina is then added every seven days. The best temperature for hatching is 24–27 °C (75–81 °F).[7] Additional pouches can be purchased on the official website,[9] though these are not required for the well-being of the Sea-Monkeys.

Artemia usually has a lifespan of two to three months. Under ideal home conditions, pet sea monkeys have been observed to live for up to five years. As they are easy to breed and care for, brine shrimp are also often used as a model organism in scientific research to study developmental biology, genetics, and toxicology.[10]

Biology

Two Artemia salina

The animals sold as Sea-Monkeys are claimed to be an artificial breed known as Artemia NYOS, formed by hybridising different species of Artemia.[6] The manufacturer also claims that they live longer and grow bigger than ordinary brine shrimp.[5] They undergo cryptobiosis or anhydrobiosis, a condition of apparent lifelessness which allows them to survive the desiccation of the temporary pools in which they live. Sea monkeys are known for their unique life cycle. They hatch from eggs that can remain dormant for years until they are exposed to water. Once the eggs are in water, they hatch into nauplius larvae, which eventually develop into adult sea monkeys. The entire life cycle takes around 8–10 weeks. [3]

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.[7] However, earlier experiments on Apollo 16 and Apollo 17, where the eggs (along with other biological systems in a state of rest, such as spores, seeds, and cysts) 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; only 10% of the embryos which were induced to develop from eggs survived to adulthood. The most common mutations found during the developmental stages of the irradiated eggs were deformations of the abdomen or deformations on the swimming appendages and naupliar eye of the nauplius.[11]

See also

References

  1. ↑ "Official Sea Monkeys Website". sea-monkeys.com. Archived from the original on 2019-09-23. Retrieved 2018-08-16.
  2. ↑ Hitt, Jack (April 15, 2016). "The Battle Over the Sea-Monkey Fortune". The New York Times. Archived from the original on December 25, 2018. Retrieved April 16, 2016.
  3. 1 2 3 Berenbaum, May (2000). "Sea monkey see, sea monkey do". Buzzwords: a Scientist Muses on Sex, Bugs, and Rock 'n' Roll. Joseph Henry Press. pp. 45–49. ISBN 978-0-309-06835-2.
  4. ↑ Coopee, Todd (12 May 2015). "Sea-Monkeys". ToyTales.ca. Archived from the original on 5 December 2018. Retrieved 3 September 2015.
  5. 1 2 Walsh, Walsh. "Official Sea Monkeys Website Cite". sea-monkeys.com. Archived from the original on 2019-09-23. Retrieved 2018-08-16.
  6. 1 2 3 4 5 Walsh, Tim (2005). "Ant Farm and Sea-Monkeys". Timeless Toys: Classic Toys and the Playmakers who Created Them. Andrews McMeel Publishing. pp. 124–129. ISBN 978-0-7407-5571-2.
  7. 1 2 3 4 Scott, Sharon M. (2010). "Sea-Monkeys". Toys and American Culture: an Encyclopedia. ABC-CLIO. pp. 282–284. ISBN 978-0-313-34798-6.
  8. ↑ Brott, Tamar (October 1, 2000). "The Sea Monkeys and the White Supremacist". Los Angeles Times. Archived from the original on July 19, 2022. Retrieved July 7, 2018.
  9. ↑ "Order – The Original Sea-Monkeys". Archived from the original on 2020-08-09. Retrieved 2020-06-15.
  10. ↑ White, Robyn (2022-02-24). "Sea Monkeys: What Are They, How Long Do They Live and What Do They Look Like Fully Grown?". Newsweek. Archived from the original on 2022-05-16. Retrieved 2022-05-16.
  11. ↑ Bücker, H.; Horneck G. (1975). "The biological effectiveness of HZE-particles of cosmic radiation studied in the Apollo 16 and 17 Biostack experiments". Acta Astronautica. 2 (3–4): 247–264. Bibcode:1975AcAau...2..247B. doi:10.1016/0094-5765(75)90095-8. PMID 11887916.
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