Ok, I can only hope that 3 are female and one is male lol, thanks.

Yeah, lol, I do know about the adult size for the nimbochromis, as soon as they mature and get to a decent size, I will take 2 back, hopefully leaving a male and female. Also, so far, the upside down catfish seem to be doing fine. However, if you think that I should take them back, then I will ...

Thank you for your help

mabee it isnt CRUSHED coral sand then, because it loods fairly smooth and fine and I cant see anything sharp. I could just be coral sand. Could you list a few fish for this? Thanks, Adam.

Hi, my name is Adam. I have a 400l tank (105.5 gallon) with 6 Labidochromis caeruleus 4 juvinle haplochromis venustus and 2 young upside down catfish. Substrait is crushed coral sand, and I have large white holey ocean rock, and live plants. I dont mind the plants being chewed a bit. Are there any ...