piranha

I keep Piranhas (Black Rhom, and a Ruby Red Spilo), a 5-6" Black Ghost Knife, a 6-7" Senegal Bichir, and a 8-9" African Reed Fish. Here are pictures of them. I want to see if any of you can tell me which piranha is in which picture. Also, here is a video I just took of all of...

Hello everyone. This is my first time doing a post. I am currently in college and am studying marine biology. I have a 20g freshwater tank up here with a red belly piranha in it. I am going to sell back the piranha once he reaches a size that is not appropriate with the size of my tank. I am...

Hello! I'm not sure I'm in the good section, to tell everything, I don't know much about fishes, that's why I'm here! So, I plan on getting a few red bellys piranha's (about 5 or 6) and I've been told that they need a big-enough aquarium, but I'm not sure what size :-? I've heard many things...