Emergency! Very thin swordtail!

[Salty&Onion]

Hi, I woke up this morning to see my beloved female swordtail being very thin and swimming weird.
She had/has finrot so her immune system is weak for now, but she cannot have TWO diseases at once? She also has these milky spots/patches on her body.
My guppy once had it once, but then he passed on from it.

Are those parasites or death sentence for her? What are these milky patches/spots?

She's been recently pregnant and she gave birth, but after giving birth she has not been thin at all and she hasn't been swimming weird at all. I think these milky patches seem like her scales are missing, I think these patches are after my convicts attacked her brutally.

My water parameters are:

- ammonia is 0ppm, tank is uncycled, its just temporary so I keep ammonia totally at 0
- nitrite is same as ammonia
- nitrates are kept at 15 ppm

Death sentence for her or just parasites? Would she survive until this Wednesday or Thursday so I could get medication?

 

[Salty&Onion]

Please help..

 

[Salty&Onion]

 

[Colin_T]

The fish is in bad shape and being picked on by a guppy in the video.

The white stuff looks like excess mucous. Fish naturally have a thin layer of clear mucous over their body to help protect them from disease organisms and to help them slip through the water. When they are injured or stressed they produce more mucous and it can appear as cream, white or gray patches over the body and fins.

External protozoan infections will cause the fish to develop cream, white or grey patches on the body.

Fin rot is normally caused by poor water quality that damages the mucous layer and allows bacteria to infect the fins.

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Salt can be used to treat a number of health issues on livebearers and would be my first choice.

You can add rock salt (often sold as aquarium salt), sea salt or swimming pool salt to the aquarium at the dose rate of 2 heaped tablespoon per 20 litres of water.

If you only have livebearers (guppies, platies, swordtails, mollies), goldfish or rainbowfish in the tank you can double that dose rate, so you would add 4 heaped tablespoons per 20 litres.

Keep the salt level like this for at least 2 weeks but no longer than 4 weeks otherwise kidney damage can occur. Kidney damage is more likely to occur in fish from soft water (tetras, Corydoras, angelfish, gouramis, loaches) that are exposed to high levels of salt for an extended period of time, and is not an issue with livebearers, rainbowfish or other salt tolerant species.

The salt will not affect the beneficial filter bacteria but the higher dose rate will affect some plants. The lower dose rate will not affect plants.

After you use salt and the fish have recovered, you do a 10% water change each day for a week using only fresh water that has been dechlorinated. Then do a 20% water change each day for a week. Then you can do bigger water changes after that. This dilutes the salt out of the tank slowly so it doesn't harm the fish.

If you do water changes while using salt, you need to treat the new water with salt before adding it to the tank. This will keep the salt level stable in the tank and minimise stress on the fish.

 

[JuiceBox52]

I agree with colin

 

[Salty&Onion]

Thanks Colin, I read your thread on how to treat illnesses, which is really helpful. No, she is not picked on by a guppy. I think the finrot is caused by ripped fins, which were ripped by my convicts.
They all are in my 15 gallon spare (soon will be for my betta) and I do often water changes and it seems to be already over.. She's still under observation.