Help!!!!! Fish in new tank, not having high survival rate!!!
Hi, I had seven feeder fish a koi and a grown bigger comet fish and a pleco.....I bought the tank four weeks ago or so, and cycled it like i was supposed to, meaning i put the new filter bag in after opening the set up and put gravel /washed it/ and added feeder fish in to help cycle it and grow good bacteria, and let them swim about in the tank for a week or so and then added the koi and the older bigger comet fish i've had for awhile....things seemed ok and good the water temp was around 74 or so and everyone seemed ok...until the last two days my mom said the koi seems more darty and everything and we noticed today the pleco, big comet fish, and all but one feeder sized comet fish is still alive....and the two that are still alive...have fluffy white stuff on them...if it were more dandruff looking i would say it was ich but i am not sure if it is somehow....they both look sluggish and the fluffy white stuff is all over their backs and the feeder fishes tail seems choppy looking....does anyone have any idea what is wrong with my last two fish and what happened to the others?
hello keri and welcome to fishforum :D can you post some info on your tank? size? equipment? water parameters? that will help you alot faster when you have a problem. you said you cycled the tank for a week. it usualy takes the cycle a good month or so, so the high ammonia/nitrite level most likely killed your fish. can we have a pic of one of your fish? the white stuff may be ich from stress, but you say it is fluffy so it can be something like fungus.
Re: Help!!!!! Fish in new tank, not having high survival rat
Follow all of Tangy's advice. Now, assuming your tank is 75 gallons and smaller, I would like to suggest that all your koi, comets and plecos be placed in the pond larger than 300 gallons. Kois are capable of reaching 3 feet and should never be housed in the home aquaria. Powerful filtration is recommended when housing them.
As for the common plec (assuming this is what you bought), they can reach 2 feet but are capable of reaching more than 12 inches even in the tank. These are not suitable for tanks smaller than 150 gallons. Like the kois, they are heavy waste producers and a powerful filtration is strictly recommended.
As for the comet, these are capable of reaching 8 inches and above. A 75 gallons may suffice for two but do make sure the filtration is efficient enough to cope with the bioload.
Post your water parameters. Use API liquid test kit. At this rate, I will assume your tank has not completely cycled yet. Like Tangy said, a week is too short to allow enough colonies of bacteria to be established.
Pictures are strictly recommended as well.
sounds lika a fungal infection
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