Thank you for the welcomes
I was sold the bristlenoses as tiny 4cm shoaling fish Parotocinclus haroldoi
Since the bristles grew on the male i have watched him to much and he doesn't that, I had too many big rocks in there and took one out and the small internal filter that he lived behind, he has had stress markings 2 days now, the females are both fine, he is eating when he thinks I am not looking.
I am trying to work out where to ask questions about my cycling tank 20 gallon, I am undecided if i want a quarantine tank, a shrimp tank or baby BN's later on, my main question would be about substrate to keep my options open.
Photo of the whole tank, if there is is anything you see i am doing badly please let me know, I am trying to get a low tech jungle.