Sea Monkeys Lifespan. More likely the sea monkeys hatch out breed lay. Most sea monkeys live for an average of two years but due to their high mating rates you will likely have a continuous supply of sea monkeys in the tank as long as you care for the tank and the sea monkeys properly.

Showing 1 30 of 61 products. The life expectancy of a sea monkey is two years. Sea monkeys reproduce like other advanced animal species.
But they reproduce a lot so as long as you care for them properly and remove the dead ones from the tank you ought to have a supply of them forever.
Sea monkeys reproduce like other advanced animal species. Lego friends rescue mission boat toy sea life set 41381. Most sea monkeys live for an average of two years but due to their high mating rates you will likely have a continuous supply of sea monkeys in the tank as long as you care for the tank and the sea monkeys properly. You can watch a clip.