nice purchase on the cardinals! remember to feed them cyclopeeze, and alot of it initially to pump up body weight. this 1-2 weeks is the crucial period. after they survive this they will be bullet proof. don't be disheartened if you lose some.
flashing tilefish is not rare in Singapore. it is sporadically imported via philippine shipments at iwarna or ahbeng. but they always come in either too big or very unhealthy and in very few pieces. flashing tilefishes only flash when frightened. so when established in your tank, it will remain blue. this is another plus point for being early for philippine shipments and having a good eye for rarities
Aioliops megastigma is very difficult to feed and only takes bbs or cyclopeeze. their lifespan in captivity is short and are easily lost due to stress, being eaten, or starvation.