Can you identify this Disease

  • We are currently upgrading MFK. thanks! -neo

kgfor30

Feeder Fish
MFK Member
Oct 14, 2009
15
0
1
Minnesota
I just noticed this on my Rainbowfish. I am wondering if anybody can identify it.

DSCN9916.JPG

Tank Size: 75 Gallon Planted Freshwater tank
Water Parameter: 0 Nitrite and Ammonia, 20 Nitrate, PH 7.8 using API test strips
Set up: 5 Years
Tankmates: 6 Angelfish, 3 Clown Loaches, 3 Other Rainbows, tetras, swordtails. No new tankmates or plants in the past 3 months.
Filtration: Aquaclear 110
Water Changes: 50% weekly
Feeding: Fish are fed 2 times per day with 1 day skipped per week. Items include algae wafers, flakes, pellets, daphnia.
 
is it a white cotton growth? or an open sore?
 
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