My rainbow sharks that I just bought two days ago.swim together like they are one fish, kinda like to sticks glued together. Then they take off and go their own ways. They seem aggressive sometimes...

I have a new aquarium, about 4 weeks old. Added 5 new fish 2 days ago, now 3 are dead and 2 more are just floating ,not dead yet. Some of my older fish have white spots on their tails. What is it...

i just bought my son an anole or anode lizard...i'm not sure which it's called, what temperature can i not let the aquarium get past?

I have a mature tiger oscar fish about 13 inches long in a 55 gallon aquarium. I will be moving about 30 miles from where I currently live. What(or how) large of a container(what shape) do I...

Fish has twisted spine and does not swim very well. stays near bottom of tank and gets caught in plants

I have two male gerbils which I bought this December about the 15th. They are very active, playing part of the day and night. I bought them three lovely cages with all sorts of special features...

What freshwater tropical aquarium fish grows to a mature size of 4"-6"?

I just changed the water in my tank, and I have 2 oscars 55 gallon tank.   they are now laying on their side not moving.   I had an undergravel filter as well as a...

I have a chineese Beta that is loosing its fins what is wrong and what do i do? Its top fin is almost gone and its tail fin is disappearing. He is in a bowl by himself and it is always clean. It...

I have a fresh water aquarium and I have 3 giant Danios and my friend insists that one of them is pregnent how can I tell female from male and if they are pregnent? please help me and what do I do if...