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Welcome to the world of Opae Ulas- Halocaridina rubra
Our Story
Founded in 2016 by hobbyist and Hawaii native Mark Uchino, he wanted to share the wonders and joys of having Opae Ulas and sharing their uniqueness with the community. Mark has been providing exceptional Opae Ula 'Shrimparium' set ups to those who seek them and also breed them in his garage aquarium set up. Mark partnered up with husband and wife, Luna and Jenny to offer neocaridina and caridinas in addition to his opae ulas. That is how MicroLobsters came to be in 2025.
Fun Facts:
- Can live up to 20 years
- Live in brackish water conditions
- Indigenous to Hawaii
- the name 'Opae ula' also originates from Hawaii and translates into 'red shrimp'.
- Grows to an average size of 1cm(0.39inch) to 1.5cm(0.59inch)
- Recent popularity as a low-maintenance/desktop pet
- Extremely easy to keep as a pet: they don't require being fed additional food if you have adequate lighting to grow algae in the tank as their food source and you don't have to change any water in their tank! All you need to do is top up their tank once in a while with some clean RO/distilled/bottled water when evaporation lowers the water level
- Natural habitat: anachialine pools (Brackish pools); fluctuating salinity from the sea mixed with the fresh water inland and temperature mean not many living things can survive in the ever changing water type and that's what makes this shrimp very hardy
* See our Blog for care instructions!*
My Blog
Photo Gallery
Video
Aloha!
Opae Ula Globe
MicroLobsters- Got Shrimp?
Irvine/Santa Ana- Orange County, California
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