Any hope of persuading a CBB to take non-mysis foods?

[RD]

Tony, if yours readily accepts mysis, then the "juice" from frozen mysis would also be good choice for pre-soaking the pellets. It may take some serious effort on your part, but the fact that your fish will already take the pellets in is a big plus.

Many of the more difficult to feed species can sometimes be "trained" to take dry foods, some individuals are easy to train, some are quite difficult, but in the long run it usually works out to be in the fishes best interest.