Pea puffer with red lump on chin area

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1) Your water parameters - pH, Ammonia, Nitrite, Nitrates and salinity (if appropriate). This is by far the most important information you can provide! Do not answer this with "Fine" "Perfect" "ok", that tells us nothing. We need hard numbers.

2) Tank size and a list of ALL inhabitants. Include algae eaters, plecos, everything. We need to know what you have and how big the tank is.

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5) How long the aquarium has been set up, and how did you cycle it? If you don't know what cycling is read this: Fishless Cycling Article and familiarize yourself with all the information. Yes. All of it.

We want to help, and providing this information will go a LONG way to getting a diagnosis and hopeful cure that much faster.

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One of the easiest and best ways to help your fish feel better is clean water! If you are already on a regular water change schedule (50% weekly is recommended) a good step to making your fish more comfortable while waiting for diagnosis/suggestions is to do a large water change immediately. Feel free to repeat daily or as often as you can, clean water is always a good thing! Use of Amquel or Prime as a dechlor may help with any ammonia or nitrite issues, and is highly recommended.

Note - if you do not normally do large water changes, doing a sudden, large water change could shock your fish by suddenly changing their established water chemistry. Clean water is still your first goal, so in this case, do several smaller (10%) water changes over the next day or two before starting any large ones.
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Paul_4321
Puffer Fry
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Joined: Thu Dec 22, 2022 1:02 am
Location (country): Australia

Pea puffer with red lump on chin area

Post by Paul_4321 »

Hi,
My pea puffer (1 of 5 adults in the tank)has a red lump under her mouth - where a chin would be. The lump is getting quite large.
My water parameters- nitrites 0, nitrates 0 , ph 7.
The tank was established about 9 months ago, and was cycled and established with guppies and corys for 3 months.
I feed them live black worms and daphnia from a culture tank every other day.
I recently found damselfly larvae babies in the daphnia culture so I now don’t know exactly what else has gotten in there.
Tankmates - 9 cherry shrimp
Tank size - 3 feet approx 120 litres
26.5 degrees - it was 25.5 degrees. I put it up when I saw them mating.
Heavily planted
All 5 fish were brought up from juveniles together and are about 8 months old.
She is breeding well but the other 4 peas turned out to be male so she may get a lot of attention.
I have 2 sponge filters and 1 small flow filter in there, 1 bag of bio noodle since day 1.
Any help would be appreciated
Thanks
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Pufferpunk
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Re: Pea puffer with red lump on chin area

Post by Pufferpunk »

Unfortunately, I have been seeing this a lot--even with some of my own DPs. From all the research I have done, nobody seems to know the cause but they don't live long after this bump develops.
You are getting sleepy... you only hear the sound of my voice... you must do water changes... water changes... water changes... water changes...

"The solution to pollution is dilution!"
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