Hello, I have a 145 US gal tank with 2 Motoro stingrays (female 6-7 inches, male around 9 inches), 1 Silver aro (10 inch), 7 adult Silver dollars and two 7 inch Dats. My current filtration is 1 Tetra tec Ex 1200, 1 JBL CristalProfi e1500, 400 gal/hour powerhead with sponge and automatic water changing system, changing arround 20 percent of tank volume per day. Temp. in tank is 81 F.
I have rays for about a month. In the begining I had a problem with my male Motoro, who was sometimes breathing through one spiracle, but in a week problem dissapeared by itself by doing nothing. Then he had a little fungus on a tip of his sting, which came of by itself too.
Until two weeks ago my both motoros were eating very well, both looking like prego after meal
. Since then I started noticing that my female is eating less (taking only two 1 inch long cooked shrimps) , started to hide in the corners of the tank, burried itself. She is very shy, hiding most of the time, not active, while eating she chews a lot, spits and eats, instead of just vacuming as she did before. The male was O.K. until two days ago, now he is eating not that aggresivelly, chewing and spiting, started hiding more.
Water parameters are: NH3-0; NO2-0.025, NO3-15-20.
What do you guys think it might be? I even additionaly started changing 50 percent of tank volume twice a week, which does not seem to work.
I'm planning to treat the whole tank with Sera Tramazol, suspecting it might be internal or gill parasites.
What do you think? what should I do?
Here's a pic of the whole tank and female Motoro. I'll try to photo a male, but he is burried right now
I have rays for about a month. In the begining I had a problem with my male Motoro, who was sometimes breathing through one spiracle, but in a week problem dissapeared by itself by doing nothing. Then he had a little fungus on a tip of his sting, which came of by itself too.
Until two weeks ago my both motoros were eating very well, both looking like prego after meal
. Since then I started noticing that my female is eating less (taking only two 1 inch long cooked shrimps) , started to hide in the corners of the tank, burried itself. She is very shy, hiding most of the time, not active, while eating she chews a lot, spits and eats, instead of just vacuming as she did before. The male was O.K. until two days ago, now he is eating not that aggresivelly, chewing and spiting, started hiding more.Water parameters are: NH3-0; NO2-0.025, NO3-15-20.
What do you guys think it might be? I even additionaly started changing 50 percent of tank volume twice a week, which does not seem to work.
I'm planning to treat the whole tank with Sera Tramazol, suspecting it might be internal or gill parasites.
What do you think? what should I do?
Here's a pic of the whole tank and female Motoro. I'll try to photo a male, but he is burried right now
