What are these white patches?
Hello! I have had these kuhli loaches for about 3 weeks now.
There are 6 of them in my 15 gal which is planted and has lots of hides/hardscape and sandy substrate.
The others all look fine from what I have seen of them but this one came out today at feeding time and seems to have stark white patches on its body!! he seems to be eating and otherwise fine though.
these have either shown up overnight or this is a kuhli who has been hiding when I’ve been watching the tank and I’ve not seen him before to notice this developing.
When I got them there were a few that were significantly paler than the others but I assumed that was just stress colouration from shipping/transport. Could this be the remnants of that as regular colour returns or is it an injury/illness?
If it isn’t normal colouration adjustment, how can I treat it?
My parameters are 0 ammonia, 0 nitrite, 5.0 nitrate, 7.6 ph, 7 gh, 5 kh.