yellow cherry shrimp

So I've been thinking about getting about a 3 gallon tank for some yellow cherry shrimp and some snails. My girlfriend already had a 3 gallon that she is willing to give me, that she has already cycled. But she hasn't touched it in awhile or fed the bacteria. So I was wondering should I...

Hi guys, I had a tank of 9 yellow cherry shrimp and over the last week they have all died, there was one left but it died last night. Whilst inspecting the corpse of the final one I have noticed small red markings and circles, does anyone know what this is from? Maybe a parasite? The tank also...