Question: swimming a lot? and white spot?

hey i've had my 2 axolotls for about a month now was wonderin if anyone had any idea if my ray is a boy or a girl? i asked the pet shop to order me to boys but from the research i did it seems he is a she...i ask cause i dont particularlly want more babies!! also in one of the images you'll notice towards his tail there is a white spot its been there since i got him is this harming him????

also (last question) is it normal for him to just swim ALL the time? my other axolotl frank just hangs on the bottom and hides and sometimes comes up for air but his friend ray seems like he's got ants in his pants and can't stay still for like 10 seconds even...is this bad?

tank is about 22C most of the time if its any warmer i put in bottles and bring it down a degree or 2
i check the ph about every 2nd day
i feed them blood worms and pellets about every 2nd day too....am i doing anything wrong so far??

THANKS!! any help is much appreciated! :happy:

I'll move this post to the axolotl area.

It's unusual for an axolotl to swim all the time. I'm wondering if it could be due to fear of the other axie. Is the swimmer smaller? Are there lots of hiding places and/or plants in the tank? How large is the tank? Constant swimming is usually a sign of some kind of stress.

i think its 2ft? the guy at the pet shop seemed to think it was a good size for 2 i really dont know tho!! hope i got the right size!! um no the one that swims a lot is actually the bigger one...i think he eats too much maybe so i am trying to cut down but he just always looks hungry (and cute) so i usually give in!! i thought maybe it was something to do with the water? um theres a filter in there but i dont think theres too much movemwnt in the water. And the other axolotl always looks calm...yep lots of hiding spots aand fake plants, they love sitting in them

A two foot tank is really only suitable for one axolotl.. you might want to do a water test and see what the ammonia is at. I recommend you invest in another tank that is big enough for both the 'lotls, say, four feet.

ohh ok that sucks the guy at the pet shop told me the 2ft would be enough!! its only new too! thank you do u have any idea if my ray is a boy or a girl though? i have a feeling he is a girl! i dont want more kids!! haha