I have a divided 10 gallon tank. It has two partitions and it is meant to house 3 bettas. This gives each betta something like 3.33 gallons to swim around in.
I have a crowntail on the left, a veiltail in the middle and what I believe to be a plakat on the right.
The plakat has only been in there for a short time but I am worried he may not be adjusting as well as the others did. When he sees the veiltail (who is three times his size) he tends to fin clamp and colour blanch. He is so small I am wondering if this is a defense because he is young? I'm not sure how big the more wild types get but he is maybe an inch from head to tip of his tail.
He has lots of room to swim around, lots of hiding spots, the tank is warm and filtered with a very slow current He has a good appetite, is energetic and shows no other signs of illness. I think the veiltail may just scare him.
How long should I give him to try and adjust before moving him to a smaller separate tank? Anyone else have experience with this?