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Discussion Starter · #1 ·
I'm in the ecosphere hobby and have been making successful closed ecosystems for about 3 or 4 years now and I'm trying to spice things up a bit by adding new biodiversity to my freshwater ecospheres. I would love to go to the the great freshwater lakes of North America to collect wild freshwater crustaceans like Mysis shrimp; however, I live across the country and at least for now that kind of trip is just too expensive and has too many unknowns to warrant. I am interested in trying to make some saltwater ecospheres in the future but that would also take a trip to the sea and that's also not currently a viable option. I would like to just purchase freshwater Mysis shrimp but it seems that the only sellers are only selling saltwater Mysis shrimp as live feed. Some fish and crustaceans can tolerate transitioning from saltwater to freshwater and I might just try and see if I can get a small colony of Mysis shrimp to do so but I would like to consult anyone who might have any idea as to whether trying this would just be a total waste of money or not.
 

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Discussion Starter · #2 ·
freshwater bladder snails can be acclimated to saltwater, though they are very sensitive to the transition and water conditions. freshwater amphipods can acclimate to saltwater. but then fairy shrimp cannot survive in freshwater, and seed shrimp don't seem to be able to survive to transition into saltwater, fiddler crabs can survive in freshwater but do best in brackish water. so it just really depends on the organism. some can transition some can't. from Mysis shrimp I wasn't able to tell from the material that I could read on it so I don't know. the Mysis shrimp in the great lakes might be the same species as the ones that live in the ocean at the end of the river and they are just able to transition from fresh to saltwater. or they are related species I just got tired of reading things and not finding the answer to my exact question... still even if it is a marine species of Mysis shrimp they could still potentially transition to freshwater.
 
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