I've had bule dots in the past, and never had any luck. I wouldn't try again.
One of the main issues is they don't eat once they are in captivity. Having other active fish in the tank makes it even that much harder since you have to get food past them to the ray (who probably won't eat anyway).
One of the main issues is they don't eat once they are in captivity. Having other active fish in the tank makes it even that much harder since you have to get food past them to the ray (who probably won't eat anyway).