identification

This is Watson -- she was a birthday present for my 70th! And I really want to know exactly what kind of betta she is. From a picture in a book, I guessed Veil, but then I read more and looked more and thought maybe she is a Crown Tail. But, I'm so new I squeak, so I need help. Thanks much...

I ordered a package of live plants, sellers choice. It finally got here and the plants are pretty but I have no idea what they are and where they should be. Can you help me identify them? And tell me where they should be (tied to wood, in gravel, etc.). Also feel free to tell me if I'm doing...

I suspected that my fish Lapis has fin rot, but I'm a complete newbie to diseases so I wasn't sure. I asked others and it seemed that it may be, so I just started treating today with AQ salt. My question though is, How will I know when he starts to get better? I think I have to treat his...