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National Sea Monkey Day

Make a splash this National Sea Monkey Day! Get your own pet sea monkeys and have fun watching them explore their new home.
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When it is?
May 16
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United States

It's time to celebrate National Sea Monkey Day on May 16th! This day celebrates one of the most beloved aquatic creatures in the world – sea monkeys. These small, shrimp-like animals have been around since the 1950s and have been a source of fascination for kids and adults alike. Sea monkeys are easy to care for, require no special equipment, and can live up to five years or more. They can be kept in a bowl or tank with other fish and plants, making them an ideal pet for those who don't have much space. Celebrate this fun holiday by getting your own sea monkey tank or watching a few videos about these interesting creatures online!

History of National Sea Monkey Day

National Sea Monkey Day Dates

National Sea Monkey Day Timeline

<div class='timeline-item'><div class='timeline-left'><div class='timeline-date-text'>1957</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>Sea Monkeys' Birth</div><div class='timeline-text'>Harold von Braunhut invented Sea Monkeys, a novelty product that includes brine shrimp eggs which hatch when added to water.</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date-text'>1962</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>Sea Monkeys Trademarked</div><div class='timeline-text'>Harold von Braunhut and partners trademarked the term "Sea Monkeys", solidifying the brand.</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date-text'>1972</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>Instant Life Formula Improved</div><div class='timeline-text'>Harold von Braunhut enhanced the "Instant Life" formula for Sea Monkeys, ensuring a longer lifespan and easier hatching process.</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date-text'>1998</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>Sea Monkeys in Space</div><div class='timeline-text'>NASA sent Sea Monkeys to space to study how zero gravity conditions affect their life cycle, making them the first pet from earth to orbit in space.</div></div></div><div class='timeline-item'><div class='timeline-left'><div class='timeline-date-text'>2016</div></div><div class='timeline-center'></div><div class='timeline-right'><div class='timeline-text timeline-text-title'>National Sea Monkey Day Celebration</div><div class='timeline-text'>National Sea Monkey Day is officially observed as a holiday that celebrates these interesting creatures and their impact on popular culture.</div></div></div>

How to Celebrate National Sea Monkey Day

<div id='' class='facts-item'><div id='' class='facts-header'><h3 id='' class='facts-number'>1</h3></div><div id='' class='facts-text-wrapper'><h3 id='' class='facts-title'>Build a Sea Monkey habitat</h3><p id='' class='facts-text'>Gather some aquarium gravel, rocks, plants, and water and build the perfect environment for your Sea Monkeys. Make sure the temperature is just right too!</p></div></div><div id='' class='facts-item'><div id='' class='facts-header'><h3 id='' class='facts-number'>2</h3></div><div id='' class='facts-text-wrapper'><h3 id='' class='facts-title'>Host a Sea Monkey party</h3><p id='' class='facts-text'>Invite your friends over and make some special treats for your Sea Monkeys. Serve some shrimp cocktail, cucumber slices, and other ocean-friendly snacks.</p></div></div><div id='' class='facts-item'><div id='' class='facts-header'><h3 id='' class='facts-number'>3</h3></div><div id='' class='facts-text-wrapper'><h3 id='' class='facts-title'>Create a Sea Monkey art project</h3><p id='' class='facts-text'>Grab some paint, construction paper, and markers and create some art projects with your Sea Monkeys. Hang them up around the house as a reminder of your special day.</p></div></div><div id='' class='facts-item'><div id='' class='facts-header'><h3 id='' class='facts-number'>4</h3></div><div id='' class='facts-text-wrapper'><h3 id='' class='facts-title'>Go on a Sea Monkey scavenger hunt</h3><p id='' class='facts-text'>Gather some fun prizes and hide them around the house. Have your Sea Monkeys help you find the prizes and create a special reward for them when they're done.</p></div></div><div id='' class='facts-item'><div id='' class='facts-header'><h3 id='' class='facts-number'>5</h3></div><div id='' class='facts-text-wrapper'><h3 id='' class='facts-title'>Play Sea Monkey trivia</h3><p id='' class='facts-text'>Test your knowledge of Sea Monkeys by playing trivia games online or by creating your own fun questions. See who can answer the most questions correctly!</p></div></div>

Why We Love National Sea Monkey Day

<div id='' class='whywelove-item'><div id='' class='whywelove-letter-cont'><div class='whywelove-letter'>A</div></div><div id='why-we-love-main-cont'><h3 id='' class='whywelove-title'>Sea monkeys are fun to watch</h3><p id='' class='whywelove-text'>Sea monkeys have captivated kids and adults alike for decades, and they make great pets that are easy to take care of. Watching them swim around in their tank is sure to be a source of entertainment - especially if you add things like decorative gravel and sea plants!</p></div></div><div id='' class='whywelove-item'><div id='' class='whywelove-letter-cont'><div class='whywelove-letter'>B</div></div><div id='why-we-love-main-cont'><h3 id='' class='whywelove-title'>Sea monkeys are low maintenance</h3><p id='' class='whywelove-text'>Unlike other pets, sea monkeys don't need daily walks or cleanup after. They also live in small tanks, so they won't take up too much space in your home. In addition, keeping them clean is as simple as changing out their water once every two weeks.</p></div></div><div id='' class='whywelove-item'><div id='' class='whywelove-letter-cont'><div class='whywelove-letter'>C</div></div><div id='why-we-love-main-cont'><h3 id='' class='whywelove-title'>Sea Monkeys teach responsibility</h3><p id='' class='whywelove-text'>Taking care of a pet can be a great educational experience for kids. It teaches them responsibility and instills the importance of caring for another living creature. With Sea Monkeys, kids will learn how to feed and care for an animal while having lots of fun along the way!</p></div></div>

Unveiling 5 Fascinating National Sea Monkey Day Facts

<div class='facts-item'><div class='facts-number-wrapper'><p class='facts-number'>1</p></div><div class='facts-core-content'><h3 class='facts-title'>Sea Monkeys are actually a type of Brine Shrimp</h3><p class='facts-content'>The term 'Sea Monkeys' is a brand name for a type of brine shrimp called Artemia NYOS, which was created and popularized by Harold von Braunhut in the 1960s.</p></div></div><div class='facts-item'><div class='facts-number-wrapper'><p class='facts-number'>2</p></div><div class='facts-core-content'><h3 class='facts-title'>Sea Monkeys have a rapid growth rate</h3><p class='facts-content'>Sea Monkeys can grow from a barely visible size to approximately half an inch in length within just a month. That's pretty fast growth!</p></div></div><div class='facts-item'><div class='facts-number-wrapper'><p class='facts-number'>3</p></div><div class='facts-core-content'><h3 class='facts-title'>Sea Monkeys live in saltwater</h3><p class='facts-content'>Sea Monkeys thrive in saline environments. These conditions replicate natural habitats like the Great Salt Lake in Utah, where brine shrimp can be found.</p></div></div><div class='facts-item'><div class='facts-number-wrapper'><p class='facts-number'>4</p></div><div class='facts-core-content'><h3 class='facts-title'>Sea Monkeys can lay dormant for years</h3><p class='facts-content'>Their eggs have an impressive defense mechanism called "cryptobiosis" that puts them in a state of dormancy when conditions are unfavorable, and they can remain viable for up to two years.</p></div></div><div class='facts-item'><div class='facts-number-wrapper'><p class='facts-number'>5</p></div><div class='facts-core-content'><h3 class='facts-title'>Sea Monkeys are a top-level consumer</h3><p class='facts-content'>In the wild, brine shrimp like Sea Monkeys are considered a top-level consumer in their natural ecosystems. They eat microscopic algae and bacteria, and in turn, are eaten by birds and fish.</p></div></div>

National Sea Monkey Day FAQs

When is National Sea Monkey Day?

National Sea Monkey Day is celebrated on May 16 every year. In 2024, National Sea Monkey Day will occur on a Thursday.

National Sea Monkey Day Dates



May 16



May 16



May 16



May 16



May 16


Animal Holidays