It's possible but the water quality would have to be perfect as they are quite sensitive. I kept one in freshwater for about 3months but moved it to brackish due to the fact it was eating anything that swam past it.
I don't know if these count as stone fish but I kept two allenbatrachus grunniens for a few years and they were fun fish to have and watch. They were aggressive but nothing you wouldn't expect from a mug like they have
They do great in full fresh
There is no such thing as a "freshwater stonefish".
What you're referring to is an oyster toadfish. They're closely related to saltwater toadfish, such as the common aquarium fish "Orange Toadfish", but they have a unique adaptation that allows them to live in brackish and freshwater.
Yes, I've heard of them being kept in freshwater for long periods of time (a year or so), but this is very rare and ultimately they need to be in saltwater or nearly saltwater.
I've had my oyster toad "Leon" for about a year and a half, and he's lived in a saltwater aquarium for about a year now. He was 4" when I bought him, and he has grown to 7.75" ever since I started keeping him in a marine system. So far, I haven't heard of a person having greater success with these fish (although I'm sure there's someone out there).
I had one for a year or so in freshwater. I ended up selling it cuz I changed the tank up. But I was recently at a LFS, they had one that is about 8 inches, and said it had been in freshwater its whole life.
I've owned 3 and only 1 lasted over a year in fw. He was 7 inches and began getting the white spots. I threw him in a 10 gallon and added salt and was able to save him. I solf him just cuz I want able to switch a tank to brackish at the time. Very cool fish but need brackish to really thrive.
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I bought mine as a grunting toad fish/ allenbatrachus grunniens
I had them for at least two and a half years with no health issues at all in full fresh water
Here's the only pic I can find right now of one of them. View attachment 879335
I traded them back to the Lfs I bought them from because I no longer wanted them.
They were maybe 7" when I sold them in that pic it was about 4"
They're cheap here like $7 each last time I checked. They also get sold under the name fresh water lion fish in Lfs here.
Thanks everyone. So from what I read white spots are a sign of the fish not doing well in fresh water, what are these white spots a couple of you have talked about?
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