I ordered a mandarin dragonet pair (blue/green) from Penny a couple of days ago.  The pair were received in great shape, and showed absolutely no signs of shipping stress when recieved, both were swimming around in the bags without a care. 
After a slow 2 hour acclimation I put them into the tank, and within 5 minutes both were scouring the rocks for copepods/amphipods in my tank. About 15 minutes later I fed them a frozen mix of Mysis shrimp, blood worms and roe, and the male immediately perked up and started scrambling all over the tank. About 15 minutes after this I found the male face first in the pile of food gorging himself. The male at first seemed to chase the female from the food pile while he ate, but she was fast enough to get a few bites in before he’d chase her. Later that night when feeding again both the male and female perked up again and then took turns eating from the frozen food I fed. What really impressed me as well was the male would also chase and catch food in the water column. 
I am extremely happy with my purchase, and very impressed with how well these two took to the tank and food less than 12 hours from the time I introduced them. Absolutely will look into purchasing again if I ever want to establish another pair, but right now looking forward to years of watching these two go. 
Awesome work Penny!!