White patch on barbs - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 4 Old 09-23-2008, 12:28 AM Thread Starter
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White patch on barbs

1. Size of aquarium (# of gallons) 92 gallon
2. Is your aquarium setup freshwater or brackish water? freshwater
3. How long the aquarium has been set up? March 08
4. What fish and how many are in the aquarium (species are important to know)
9- zebra danio
8- black skirt tetra
6- neon tetra
4- rasbora het
5- hengal's rasbora
8- gold barb
2- albino bristlenose pleco

5. Are there live plants in the aquarium? no
6. What temperature is the tank water currently? 78F
7. What make/model filter are you using? Tidepool II Bio-Wheel Filtration Unit, two sponge filters
8. Are you using a CO2 unit? no
9. Does your aquarium receive natural sunlight at any given part of the day? from across the room
10. When did you perform your last water exchange, and how much water was changed? 9/20/08, 40%
11. How often do you perform water changes? weekly
12. How often and what foods do you feed your fish? fish flakes in afternoon, algae wafer/sinking pellets after the lights go out, occasional treats of bloodworms/brine shrimp/tubifex worms/peas/cucumber
13. What type of lighting are you using and how long is it kept on? Two 30W coralife bulbs from 10 am to 9pm
14. What specific concerns bring you here at this time? Two of the barbs have a thin white film over an area of their back. One is slighty denser/fuzzy looking and was separate from the group though both are eating well. (see photos)
15. What are your water parameters? Test your pH, ammonia, nitrite and nitrate. pH=8.0, ammonia=0, nitrite=0, nitrate=10ppm
16. What test kit are you using and is it liquid or test strips? API liquid test kit
17. When was the last time you bought a fish and how did they behave while in the pet store tank? 3 weeks ago, normal, healthy

The effected barbs have been moved to a quarantine tank. The male is acting completely normally with just a slightly pale looking patch of scales about 3mm in diameter. The female was off on her own, but ate readily. she has a more opaque white area on her side that is 2mm wide and stretches 12mm in length. I can't find a disease process that seems to match the signs/locations. I have jungle fungus eliminator and pimafix on hand, but can run to the LFS to get more meds tomorrow afternoon.

Sorry the pics aren't very clear, but neither fish wanted to swim with the effected side facing the camera.
Male barb:

Female barb:

Be skeptical without being cynical.
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post #2 of 4 Old 09-25-2008, 03:31 PM
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how are they getting on,did you add and meds ?
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post #3 of 4 Old 09-25-2008, 04:03 PM Thread Starter
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I treated with the meds and both were improving when the tank had a sudden ammonia spike (.5ppm) and they both died (I left at 8am and both were fine, both were dead when I got back at 12:30). I still can't figure out what caused the spike though. The tank was an empty ten-gallon that I filled with water directly out of my main tank, used a sponge filter that was advertised as for up to 60 gallons that had been running in my main tank and had been doing daily 50% water changes. The water in the main tank tested as

Be skeptical without being cynical.
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post #4 of 4 Old 09-27-2008, 06:00 AM
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aww sorry to see that.
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