National Sea Monkey Day 2026

May 16, 2026 in the USA

Two Sea Monkeys in the water.

National Sea Monkey Day is observed on May 16, 2026. Sea-Monkeys is a brand name for brine shrimp - a group of crustaceans that undergo cryptobiosis - often sold in hatching kits as novelty aquarium pets.

We have placed a detailed description of this event on this page: National Sea Monkey Day 2025. For further information please stop by there!

Where is the event?
Nationwide
USA
When is the event?
Saturday, the 16th of May 2026
Only 695 days left!

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National Sea Monkey Day 2026 - May 16, 2026 – Copyright © 2024 Cute Calendar