Instant Fish

Instant Fish was an idea conceived by the Wham-O toy company in the early 1960s.[1]


Instant fish were a species of African killifish (Nothobranchius sp.) that laid eggs in the mud at the start of the dry season. The eggs lay dormant (embryonic diapause) until the rainy season, when the water would cause them to hatch and be able to survive in full rainy season rivers and lakes, rather than the dry creeks of the dry season. Wham-O had the idea of selling chunks of a mud substitute with the eggs inside it. Once this was taken home and put in a suitable container, water would be added and the eggs would hatch.

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  1. ^ "History of Wham-O". Archived from the original on 18 February 2013. Retrieved 20 July 2011. CS1 maint: discouraged parameter (link)

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