<a href=showthread.php?s=&postid=10538053#post10538053 target=_blank>Originally posted</a> by triggerfish1976
You're kidding me right.:lol: You're comparing a tank full of angels in Asia to what we are seeing here? Angels have a completely different social structure than tangs. They are also a roaming fish as opposed to free swimming open water fish like tangs. I have personally dove with many different angel species and have observed large Queen, French, Emperor, and Bluering Angels stay in a fairly confined area of a reef (by ocean standards) for a few hours as they picked at various inverts. In comparison I have swam with schools of PBT's off the coast of Thailand and we easily covered a 400 yards in under an hour as they swam in schools over the reef.
I specifically remember working at a LFS a few years back and we kept a big 8" Emperor Angel for over 5 months in a small cube as is typical with most store holding facilities. The Angel coped with the small confines until it was sold. Around the same time, the owner was trying to bring in Achilles Tangs and was lucky enough to find a good supplier that shipped healthy specimens. Given their reputation he decided to place them in the biggest holding tanks we had available at the time which where about 24"x24". Suffice it to say the cubes were not big enough and the fish wigged out and neurotically swam around the tank all day long until they all died from stress. Before you ask, we covered the sides of the tanks and did everything possible to try and make the fishes confines as stress free as possible. I have never bought an Achilles since this incident.
Many fish in both groups graze but Angels tend to stick closer to the reef whereas tangs are constantly swimming above the reef structure and can cover large amounts of area in a short period of time as they search for algae to graze on. Angels are also not as territorial as tangs when comparing the groups as a whole. A hobbyist will be more inclined to be able to keep multiple Angels together for a longer period of time without signs of territorial aggression.
That being said, I am of Chinese decent and I until a couple of years ago I had the opportunity to make trips to Thailand, Hong Kong and Japan every summer and I have seen many of these tanks first hand and spoken to numerous hobbyists in these Asian countries.
In an effort to not disrespect Fenner and his information but most of these overstocked Angelfish tanks are also not setup for as long as most are led to believe. Are there some that have been setup for more than a couple of years, yes but If you can find me a picture of a tank with "full grown" adult Pomacanthus or Holacanthus Angels then I will give you a lot of credit because when I visited these hobbyists I was hard pressed to find cases where they bought the fish as juveniles and grew them up to full adult size in these conditions or the limited space seriously stunted their overall growth which cannot be healthy. Most of the angels in these tanks appeared to be sub adults or females (Sexing Angels is much easier to than than tangs). I asked them how they are able to keep these fish together for so long and most of the tanks have usually only be setup for less than a couple of years. When a fish dies it is much easier to find large quality specimens in the major Asian Countries than it is for us in the US. Most of the people I spoke to also have an unattached approach to their fish. Having these beautiful specimens is more of a status symbol and they have no problems dropping tens of Thousands of dollars on a rare angel or replacing dead ones with similar specimens to give the perception that these fish never died. There is also a different level of husbandry that the Europeans and Asians apply to their tanks. These overstocked angel tangs are spotless and they are able to achieve SPS like parameters even with their fish only tanks. The same cannot be said about this tank, given the admitted problems Goodwin has stated.
In closing for the record, I have kept multiple Angels in a tank together for numerous years and never saw one sign of territorial aggression.
its safe to say there we (well you guys especially) have almost ruined goodwin's thread, but i guess i will address a couple of your statements.
first and foremost, angels roam, yes, their territory can be several football fields, were you making a point for me that i missed?
for someone to put not one, not two but 10 or so in a smallish tank like a 200 and have them thrive for years and years is remarkable to me. you can :lol: all you want but since you have seen first hand these overstocked aquariums, did you not notice alot of these aquariums also had large tangs in them also ? :rolleye1:
second, if you want an example of a hong kong aquarium that has been kept successfully for years (try over 10 years and counting) all you have to do is look at wayne shang's aquarium in "ultimate marine aquariums" by michael paletta. his 300 gallon aquarium which has full grown goldflake, griffis, emperor, blue line, queen, majestic, asfur, maculosus, french, scribbled, personifer, conspicillatus angels along with a trio of huge golden butterflies, and yes they are thriving and most have been for years.
also, his maintenance and equipment is no different than goodwin's with the exception of more live rock in his sump. you want to see a picture of a thriving hong style aquarium, go look at his in the book i mentioned, can i ask what more goodwin can do to meet your stringent requirements? how many european hong kong style overstocked aquariums did you run tests on to make your conclusions?
lastly, your claim that large angels are not territorally aggressive is laughable and to be blunt, makes me question how long you have been in the hobby. most angels do not tolerate other angels moreso than all but the meanest acanthurus tangs. in fact alot of online pet stores specifically do not recommend mixing large angels in their description. but wait, you must either know more than everyone else or you are some kind of... fish whisperer :lol: