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Okay, I fishlessly cycled my twenty gallon riparium tank by adding some media from my two cycled betta tanks and a handful of gravel from each. I then added 3 white cloud minnows, 2 males and a female. They were very active and swam together. A week later, no ammonia spike and some nitrates, so I thought it was safe to add another 3.
The next day, one of the original fish gets its mouth stuck open somehow (lockjaw) and gets lethargic until it dies in a few hours. Later in the evening, one of the male minnows skin around the dorsal turned gray and then the whole back turned white (not fungus, just white in color) and it too died, only 4 hours after it first showed.
This morning, one of the remaining four minnows has vanished, and I fear it may have died hidden away under something. Of the last three, only one is active. The others swim in place near the bottom and only join the other briefly before settling down again. They eat but only a little bit and only if it falls near them.
There was and still is not any ammonia or nitrite present in the tank. I do not know for sure my water hardness but being Lake Michigan water it is probably close to ph 7.5 or so, based on what I hear our water is like. The temperature is about 70 degrees. What is going on with my fish? I was hoping eventually for a nice shoal of ten or so of these guys eventually.
The next day, one of the original fish gets its mouth stuck open somehow (lockjaw) and gets lethargic until it dies in a few hours. Later in the evening, one of the male minnows skin around the dorsal turned gray and then the whole back turned white (not fungus, just white in color) and it too died, only 4 hours after it first showed.
This morning, one of the remaining four minnows has vanished, and I fear it may have died hidden away under something. Of the last three, only one is active. The others swim in place near the bottom and only join the other briefly before settling down again. They eat but only a little bit and only if it falls near them.
There was and still is not any ammonia or nitrite present in the tank. I do not know for sure my water hardness but being Lake Michigan water it is probably close to ph 7.5 or so, based on what I hear our water is like. The temperature is about 70 degrees. What is going on with my fish? I was hoping eventually for a nice shoal of ten or so of these guys eventually.