What size is your tank? 1.5G http://www.petco.com/product/102093/...arium-Kit.aspx
What temperature is your tank? 75-ish.
Does your tank have a filter? Yes, but it's not in use. Or rather the filter component is not in the filter.
Does your tank have an air stone or other type of aeration? Yes, the "filter" component utilizes an airstone.
Is your tank heated? Yes, with a preset heater.
What tank mates does your betta fish live with? He is all alone.
What type of food do you feed your betta fish? I have not fed him yet, but I have freeze dried bloodworms and pellets.
How often do you feed your betta fish? 2-3 pellets 1-2x daily (he's a smaller guy)
How often do you perform a water change? It is 100%, I brought him home from the store a few hours ago.
What percentage of the water do you change when you perform a water change? I will be doing 50%.
What type of additives do you add to the water when you perform a water change? API Stress Coat
Symptoms and Treatment
How has your betta fish's appearance changed? He has some faint horizontal lines which are probably stress stripes.
How has your betta fish's behavior changed? He's trying to dig himself into a hole in these marbley rocks. Or trying to hide under them.
When did you start noticing the symptoms? When I turn on the filter he freaks out.
Have you started treating your fish? If so, how? No, just an extra dose of stress coat.
Does your fish have any history of being ill? Not sure.
How old is your fish (approximately)? He looks really young because of his small size, but his fin-age is fully grown.
A miniscule amount of pet store water may have leaked into the tank but probably no more than a teaspoon worth. He was so small so I scooped him out of his cup with a spoon. He was really curious and at the same time he immediately tried to hide under a rock which is impossible considering there isn't even enough rock to cover the bottom of the tank. There are no other items in his tank aside from the little rocks, a small heater, and the aeration device. He is acting a bit floaty,wishy washy, as if he was high or something (swimming head down, head up, in weird angles, etc). I acclimated him by adding treated half as much tank water to his cup and floating him. Then I moved him over to the tank water. He wasn't a very active guy to begin with. When he was at the pet store he was at the bottom of his cup, but when I put him closer to another betta he started picking fights.