Hello fish experts.
My Ryukin has something on its tail. Please identify what it is and advise how to treat it.
Since I can't provide all details, I'll try answering as much as I can on this :
[*]Tank size (how many gals.) and how long has it been running? - 50 gallons, going 4 weeks now.
[*]What is the name and size of the filter(s)? - Precision PF-950 and 2 sponge filters.
[*]How often do you change the water and how much? - 30% every week
[*]How many fish in the tank and their size? - 3 Ryukins ; approx 13-15 cm
[*]What kind of water additives or conditioners? - API StressCoat, StressZyme, Aquarium Salt and Angel Drops Vitamins
[*]What do you feed your fish and how often? - Hikari Wheatgerm, Sera Goldy Royal, Dried Shrimps, Peeled greenpeas
[*]Any new fish added to the tank? - not yet
[*]Any medications added to the tank? - not yet
[*]Any unusual findings on the fish such as "grains of salt," bloody streaks, frayed fins or fungus? - pics below
[*]Any unusual behavior like staying at the bottom, not eating, etc.? - none so far