Hi there! Im kinda newish to Betta keeping and I was wondering if this was fin rot??
His tail and dorsel fin is starting to look transparent at the ends. I also noticed that he only has really small pelvic fins (compared to other bettas) but it was like that when he arrived to us, so i dont know if thats normal for him or not?
Just a quick back story. We got our Betta named "Seven" in December from a friend of ours, we were looking after him while they were away and let us keep him. Before that he lived at the University where our friend studied Animal Behaviour and he was a test subject hence the name Seven.
Because of this I dont know his age or if he has any illnesses before, I also dont know if he was sick when we got him?
He's in a heated 1.5 gallon tank (originally unheated untill he was given to us and i bought him a heater) and I do 100% water change every week.
He has not lost his appetite and is very active.
Im also planning on upgrading him to a 5 Gallon soon.
Any help will be most greatfull! Many thanks!!