need info on Lepidothelphusa sp

[muffin]

thx a lot for the answer what at the store and got my new crabs, They are not the same as I have.  this are the ones i have now and in on my 5 generations on them now i think, they have been bredding a lot for me. but i feelt It was time for some new blood in there. 




this are the ones i got what is there name? all i got what Geosesarma sp and I Know That cant be right? Im on the hunt for a nano tank now I only have 3 of this new ones. I like them but in a bit Annoyed thatthey never get it right.