I do, sometimes it is hard, because I watch them for a while and try and pick a name according to their personality or according to how I imagine they will be. I don't just give them any name.
I do. My piranha was named Darwin and my cichlid pair are named Héloise and Abelard. They were philosophers. Google it. I found that it makes it much more difficult to sell them.
Of course! The Oscars all have 'I' names, the Bettas 'B' names, the Discus 'D' names, the Severums 'S' names and the 30 Cory Cats are 'The Joshuas". That's just to name a few