he doesnt move at all. just sits under a rock and never comes out. water everything is good. had him for 3 days now. anybody know what may be wrong with him? still adjusting? i cant get a pic of him because he doesnt move. i see his tail but thats it. his mates are 3 green sunnies, 2 convicts and 2 clown loaches all really small in a 90g. thanks for any advice.

