I have 5 largest 5-6" of the Rapps gephyrum/ornatum from San Juan . I dont want to get into the debate on what they are i was just wondering what sort of habitat they come from . Questions i have if people know any of the answers woudl be much appreciated
1. Water Parameters PH,GH flast Flowing etc
2. Biotope information ie lots of wood, rocks etc
3. Natural fish occurring in the wild with these ?
Many Thanks in advance


