first of all before i carry on with this post, R.I.P. prime, my awesome beta fish that passed away last night. he was a awesome fish and was very friendly, i could even hand feed him and pet him. he reached a size of 3" body length, about 4"-5" including his tail. he got sucked up in the filter and was dead by the time i found him in there

my beta fished lived with 2 adf's in a 10g tank. now im thinking of just getting more adf's and putting as many as i can in there. should i just stick with the a frog per gallon or is there a diffrent way to figure out how many to keep in there?