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Hi
There are many congos inside my 260gal tank, some are more than one year old since introduced, some others are within 4-5 months.
I find that after 2 days of not paying attention to my tank (just short visits for feeding) All my small congos are missing. No trace of dead body in the tank (probably due to the tank carrion eaters). A day later, a medium sized congo went unbalance, swimming like drunken guy and later the evening I found that one died. stuck between leaves. A day after, one more congo died from the same symptoms, dancing wildly like losing consiousness/balance. No signs of wound, no visible damage. The appetite of these fish are strong prior to death, they move and react very well also.
I'm still puzzled... and I fear for the remaining bigger congos in the tank.
I strongly suspect it is a form of virus which attack only congos or the likes, and whatever it is, the attack is swift and acute. All my other fish are OK with no casualty.
There are many congos inside my 260gal tank, some are more than one year old since introduced, some others are within 4-5 months.
I find that after 2 days of not paying attention to my tank (just short visits for feeding) All my small congos are missing. No trace of dead body in the tank (probably due to the tank carrion eaters). A day later, a medium sized congo went unbalance, swimming like drunken guy and later the evening I found that one died. stuck between leaves. A day after, one more congo died from the same symptoms, dancing wildly like losing consiousness/balance. No signs of wound, no visible damage. The appetite of these fish are strong prior to death, they move and react very well also.
I'm still puzzled... and I fear for the remaining bigger congos in the tank.
I strongly suspect it is a form of virus which attack only congos or the likes, and whatever it is, the attack is swift and acute. All my other fish are OK with no casualty.