WhiteCloud said:
What gets me is the water recycling that goes on in these chain stores. They all use the same water that circulates in every tank. Any fish get a disease...can spread to all tanks. Need to treat 1 fish...you treat the all the tanks. I can only imagine that these chain stores have antibiotics circulating throughout all of their tanks, including snails and shrimp...which do not tolerate antibiotics very well. The fact that the antibiotics are in the tanks are concerning, but what conerns me more is they probably only have a small fraction antibiotic that they need...and the best way to breed antibiotic resistance to provide a lower than needed level of antibiotic over a prolonged period of time....which is what these stores must do (again this is only an assumption...but the amounts of antibiotics to treat the 300-500 gallons of water that these places have must be enormous). I don't know if antibiotic resistance is a problem in fish...but it could happen.
I run the aquatics department at my Petco, and I can say I'd be shocked if any Petco has a system like that.
The way ours is setup is that there are different sets of tanks. Usually a set is 2 or 3 tanks, with the same species being in all those tanks (or at least them all being in the same family). Medicating the fish never seems to be a problem, except for the few times a scaleless fish gets mixed in with everybody else.
Anyway, as far as petsmart, I haven't noticed anything HORRIBLE there. A few things I didn't like (why are there no tops on the tanks?, 40 oscars shoved in a 20 gallon tank), but its like that everywhere I go. I've never seen a walmart with a fish selection, and based on the stories, I'm glad I haven't yet.
I guess I should speak of Petco as well, being that I work there. I've seen some pretty nasty Petcos before, but at the same time, I like to think there are more good ones than bad ones. I run mine the best I can, in the limited time I have. It's hard to taking care of 12 salt water tanks, 1 brackish tank, plus
70 or so freshwater tanks in just 35 to 40 hours a week. I get a little help from my co-workers, but its hard finding people who understand things like water chemistry, salinity levels, and even compatibility. Usually things go pretty well with my department, but even I'll admit I've had a few problems in the past (damn feeder goldfish).