Dear Tropical Fish Keeping,
I realize you get a lot of these disease questions, so I'll try and be as brief as I can. I came home at about five, when I noticed that one of my four black ruby barbs had developed a white spot on it. This spot was not present yesterday. I have as of yet been unable to identify it; I looked through all five pages of the "Freshwater and Saltwater Diseases" topic, and did some googling.
I do not have pictures, but will post them tomorrow if the spot is still there. In the meantime I will try and describe it.
The spot appears to be under the fish's skin, and appears on both its left and right sides. On one side the spot is significantly larger, and almost has what appears to be a "bubble" under the skin. The spot is a white/faded blue color.
The fish otherwise seems fine. It is still active, and has a voracious appetite. However, and maybe I'm simply imagining this, all four fish almost seem to be acting more aggressive.
I should note that there has been a fungal infection in the tank, almost a year ago now.
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1. What is the size of your tank?
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I have a 29 gallon, Eclipse, aquarium.
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2. What are your water parameters? State the brand of test kit used.
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As of yesterday:
Nitrate: 40 ppm
Nitrite: 0 ppm
Hardness: 25 (GH) ppm
Chlorine: 0 ppm
Alkalinity: 0 (KH) ppm
pH: 7
Ammonia: unknown
I use "Tetra Easy Strips; 6 - in - 1 Aquarium Test Strips" I plan on upgrading to a liquid test kit when I use the last of these.
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3. Is your aquarium set up freshwater or brackish water?
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I have a freshwater aquarium. No salt.
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4. How long the aquarium has been set up?
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Almost five years. However, just recently all the fish have been replaced; and the tank re-aquascaped. Much of the under gravel substrate was stirred up.
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5. What fish do you have? How many are in your tank? How big are they? How long have you had them?
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I currently own four
Black Ruby Barb, each about an inch and a quarter long. I have had them since Saturday, and it is now Tuesday.
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6. Were the fish placed under quarantine period (minus the first batch from the point wherein the tank is ready to accommodate the inhabitants)?
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Not sure I understand the question. The fish were not placed under quarantine.
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7. What temperature is the tank water currently?
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The tank water is roughly 74' Fahrenheit.
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8. Are there live plants in the aquarium?
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Yes. Lightly to moderately planted.
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9. What filter are you using? State brand, maintenance routine and power capacity.
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I am unsure. It is built into the aquarium's hood, has an H-sized charcoal cartridge, and a bio-wheel.
I also have a DIY bottle and gravel filter rated for ten gallons. I am giving my sister a ten gallon aquarium soon, and I hope to use this filter to jump start the cycling process.
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10. Any other equipment used (aside from heater and filter which are two very important components of the tank)?
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No.
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11. Does your aquarium receive natural sunlight at any given part of the day? What is your lighting schedule (assuming you do not rely on sunlight for our viewing pleasure)?
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It receives some natural light from an adjacent window. This light is indirect. The lights are on roughly a twelve hour schedule.
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12. When did you perform your last water change and how much water was changed? How often do you change your water? Do you vacuum the substrate?
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I preformed my last water change one week ago. I preform a 20% to 33% water change weekly. I do vacuum the substrate.
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13. What foods do you provide your fish? What is the feeding schedule?
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I provide my fish "Wardley, Tropical Fish Flake Food". I feed them ten minutes after the lights come on, and between an hour to half an hour before lights off.
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14. What unusual signs have you observed in your fish?
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A white spot that appears to be under the skin.
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15. Have you treated your fish ahead of diagnosis?
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No.
Thanks, Oyster Man
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