I have a 4 year old Bolivian Ram, yes he's 4 years old. He's living in a 29gal community planted tank. The problem is, he's so old that he's going blind. His one left eye is completely blind and the other one will be soon (I could be wrong about old age being associated with this though). At feeding time he always struggles to compete food with his tankmates because they are fast and young. He often misses the food even it's only milimeters away. I'm thinking about moving him to another tank so he can live by himself but I can only get a 5.5gal (10 gal if my parents are being generous). My question is, should I do this? Is it too small for him? What's other choice that you would suggest? Thanksss.