I have had one green, one red, and one blue haddoni in my tank for 7 months plus. Two were wild caught when I bought them and had been in captivity my guess is a for a month or so before I bought them.
The green was in someone's tank for a year plus.
My suggestion is to stick with Haddoni's and try to get one that has been in someone tank for some time or go on Divers Den and attempt to buy one from them since they have a 14 guarantee a second choice. Gigs are even harder to keep and I have not had success with the two I have had in other tanks. Keep in mind only Clarkii's and some Tomato's are really the only clown fish that might house in the haddonis. I have read on rare sititations that some percs and ocellaris but yet to see it. My platniums hosted in mintues in my gig.
Most people out there do not suggest mixing haddoni and Gig as Mr.Gary mentioned. I would suggest not mixing them and no RBTA's or LTA's. I have several Mini / Max's in the tank with the HAddoni's and they all play well in the sand box.
AS for fish hunting, my carpets yet to this day have not touched any fish. I have a larger black blenny, a pair of platinum clowns, Christmas Wrasse, Black Tank and Hippo Tang in the tank. As mentioned, smaller fish like manderians and goby would not be good fish.
please note the condy anemone is not in the tank anymore.
so if your beginer with these guys, I would say stay away from gig's unless they have been well established in a tank for some time. Try to get a haddoni from someone who has had it for a while instead of online.