hi im starting to get algea ive cleaned my tank 3 times last month because of algea and then someone told me to get oto's and so i went to petsathome and they had 2 in a betta tank so i really wanted them they are so cute and could help me with my problem i didnt bring enough money for them so i went home and after i had a cup of tea i went back down with the money and they were gone the man said that someone has been in and took them home i was gutted does anyone else know where i could get them ive look everywhere.