tetra guppies

Hi everyone, I'm new to this forum and looking from some advice. I have a lone tetra in a 30L freshwater tropical tank. He has been on his own for probably about a year now. I had 6 of them in there but in time (5 years or so) the other 5 died and with lockdown and the rest of it, I didn't get a...

Hi I recently built a tank which is only a week old. I cycled the tank with bacteria in a bottle and fish food flakes and I added 5 cardinal tetras and 2 guppies in my 10 gallon tank. I have driftwood and a stone along with 7 Amazon sword stems, a java fern and a species of plant that somewhat...

I currently have 5 Serpae tetras in my tank and would like to get some guppies! Will they be ok or is it a no go?