I have a 30 gallon tank i had oscars but they died so now im looking to get more fish i found the oscars got to many diseases and stuff so i want some simple ones but still not like stupid goldfish if you know what i mean i have everything i need exept the food so any suggestions would help thanks 
PS i do not have a saltwater tank so i cannot get any like nemo nice fish or something
PS i do not have a saltwater tank so i cannot get any like nemo nice fish or something