I had not thought of an acclimation box, but I'll get one.
noticed most flashers are red and about the same size, while fairy wrasse that are red tend to also be around the 3" mark, but those that are darker in color tend to be larger.... are there any species combinations that tend to work better than others? My first thought is the smaller ones would fight since they look closer in appearance, but not sure if getting different colored ones would simply end in the larger ones chasing the smaller ones.....