The Moorish Idol Thread

Yep, mine is always up in the mix when I put in a sheet of nori. Seems to love it.

On another note, here are some of my observations after keeping my MI now for 3 years.

One of the things I've noticed is that they are not shy. Mine is always out in the tank constantly swimming. Even when I have my hands in the tank to clean, it dosen't bother him nor does he hide like most of my other fish do.

As for food, they are pigs and will eat just about anything you put in the tank. I feed my tank a varitey of different pellet foods along with a sheet of nori. My MI will eat all of it. I've even seen him pick at the alge that grows on the glass. One of the things I have not seen him eat is the different sponges that grow in my tank. When I first put him in the tank, he ate all of one of my sponges but didn't touch any of the others. Now he dosen't eat any of them. These are sponges that grow wild in my tank. That may be that he is now "trained" to eat the pellets I feed the tank. That "training" is a whole different subject/theroy that I have.

What I feel is one of the most important aspects of keeping the MI's long term is swimming room. I say this as I watch mine constantly swim the 7 foot lenght of his tank. He is always active, even at night. One of the things I often observe him doing is swimming in my return flow. At one end of the tank, I have a return from my closed loop. The closed loop is a barracuda pump on a OM 4 way. It pushes about 3500GPH. The return I see my MI swimming in is a 1 1/2" return line that is plumbed into the end of the tank near the bottom of the tank. It has a 45 elbow on it to angle the water upwards. Everyday, I can watch as my MI will get into this stream and swim as hard as he can to stay in one place. Over and over he will repeat this process at that one return as the water cycles between the different returns. I guess you could say it's kind of like getting exercise on a tread mill.

But I honsetly beleive that having the larger tank and providing the MI with plenty of swimming room is a key to successfuly keeping them. My MI is now about the size of my hand and about an inch thick. His streamer is thick and looks more like an elongated fin with just the tip being the thin streamer that you normally see. I'll try and post some recent pics of him when I can.

Good luck to all who are keeping the MI's and keep relating your experiences.
 
Hey Crusty,

What other fish do you have with the MI? I'm curious to know what suitable tank mates can go with him as I suspect that streamer is an attractive target to fin nippers. ....and of course, I'm asking as you seem to be successfull thus far.

<a href=showthread.php?s=&postid=14776987#post14776987 target=_blank>Originally posted</a> by Crusty Old Shellback
Yep, mine is always up in the mix when I put in a sheet of nori. Seems to love it.

On another note, here are some of my observations after keeping my MI now for 3 years.

One of the things I've noticed is that they are not shy. Mine is always out in the tank constantly swimming. Even when I have my hands in the tank to clean, it dosen't bother him nor does he hide like most of my other fish do.

As for food, they are pigs and will eat just about anything you put in the tank. I feed my tank a varitey of different pellet foods along with a sheet of nori. My MI will eat all of it. I've even seen him pick at the alge that grows on the glass. One of the things I have not seen him eat is the different sponges that grow in my tank. When I first put him in the tank, he ate all of one of my sponges but didn't touch any of the others. Now he dosen't eat any of them. These are sponges that grow wild in my tank. That may be that he is now "trained" to eat the pellets I feed the tank. That "training" is a whole different subject/theroy that I have.

What I feel is one of the most important aspects of keeping the MI's long term is swimming room. I say this as I watch mine constantly swim the 7 foot lenght of his tank. He is always active, even at night. One of the things I often observe him doing is swimming in my return flow. At one end of the tank, I have a return from my closed loop. The closed loop is a barracuda pump on a OM 4 way. It pushes about 3500GPH. The return I see my MI swimming in is a 1 1/2" return line that is plumbed into the end of the tank near the bottom of the tank. It has a 45 elbow on it to angle the water upwards. Everyday, I can watch as my MI will get into this stream and swim as hard as he can to stay in one place. Over and over he will repeat this process at that one return as the water cycles between the different returns. I guess you could say it's kind of like getting exercise on a tread mill.

But I honsetly beleive that having the larger tank and providing the MI with plenty of swimming room is a key to successfuly keeping them. My MI is now about the size of my hand and about an inch thick. His streamer is thick and looks more like an elongated fin with just the tip being the thin streamer that you normally see. I'll try and post some recent pics of him when I can.

Good luck to all who are keeping the MI's and keep relating your experiences.
 
A bunch. ;)

I have 3 yellow tangs that are about 4", a pair of Naso tangs w/ male being 12", female 10", Blue tang about 8", and I just got a purple tang at 5".
I've also got a pair of Bellus angles, Majestic angel 5", gold flake angle 5" and a rusty pigmy angel.
3 Royal Grammas, six line wrasse, yellow wrasse, green bird wrasse.
Ocalirs clown, tomato clown, pink skunk clown and a breeding pair of yellow stripped marron clowns.
There's alos a pink tail trigger, 8" and a copper banded butterfly 5".
There's a yellow watchman and a red spot goby in there as well along with a pink anhtias..
I think that's all of them.

eitehr some one nips at his streamer or it gets pulled off in the rocks as I haven't seen any fish go after it yet he looses it from time to time. But it never gets that long.
 
OK here's the pic's as promised.

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with 1 of the yellow tangs and the gold flake in the back ground.
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011-1.jpg


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Hey Crusty the Idol still looks great. I am coming out to Stockton California to speak in two weeks.
How far are you from there?
I also will be going to Sacramento for a few days.
 
Hey Paul, How you doin? Yea, he's still a pig, but I love him.

Stockton and Sac town are way north of me. About a 7 - 8 hour drive.

So now your on the speaking circuit? I hope it's about something fun that you enjoy.

Hope retirment is treating you well and your getting to play more than normal. Take care my friend.
 
Glad all is well.
It's not exactly a circuit but one time.
I also found out I have more friends there. I was just invited out to dinner with another couple who moved there many years ago in Danville.
I don't know where that is yet, but I hope it is not too far from Stockton or Sacramento. She said it is in the Bay area.
I think we also have a friend in between those places which would be great. I could visit all my west coast friends at once.
Maybe I will collect some of that water that you Californians are always complaining about and spawn some Idols in it
:lol:
 
Since this is about MI, I thought this might be the place to ask.

If I keep a MI in a large tank with heniochus and feed New life spectrum exclusively will I have a high chance of success?

I heard that nls is a complete food.

I also heard MI and henni sometimes school so that might help them get settled. I'm thinking Henniochus acuminatis and Henniochus intermedius

Anyone who tried this please chime in.
 
If I keep a MI in a large tank with heniochus and feed New life spectrum exclusively will I have a high chance of success?

No it does not, although heniochus live in close association with moorish Idlos in the sea as I have seen them many times.

With MIs it is not just food, that is just one aspect of their untimely demise.
They should eat a few times a day and although they will eat anything and live a few years on it, they eat mostly sponge and they eat it all day. They also live in mated pairs and swim in large loops around the reef. No one really knows the secret to these fish but I don't think any one with a hobbiests tank has kept one for ten years.
 
would morish idols do better in a large species tank, alone?

say a pair in a 550G?

or do they need other fish.

just wondering, i would never attempt to keep these fish unless someone was captively breeding them.
 
Hi,

Im going to be setting up a 120 cube reef tank soon, and I've been looking around at what to stock it with. I want to find a fish that I really like, and then build my stock list around that fish in order to support its needs. I've always loved moorish idols, and lately have been doing a ton of reading, but I have a few questions. First, will a 36*36*21tall, 120g reef be big enough for a pair? Second, I know they require constant feeding, but whats the best food/ food combo?
 
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Attached are some pics of mine Moorish. Pretty reef safe although here will pick at some of my small green zoa's every now and then.
 
Not sure if a 120 cube would even be big enough for a single one. They love to swim and require swimming room. Mine's in a 7' X 2.5' X 3' tall tank and sometiems it seems even that is too small for him.

As for food, they generally eat just about anything. For me, I use a varity of pellets, everything from formula 1 and 2 to color enhancing pellets. I also feed a sheet of Nori. I use the big ones you can find at the Asian markets for rolling sushi. ;)

I'm no expert at keeping them but have made some observations on mine that I've had going on 4 years now I beleive. :)
 
<a href=showthread.php?s=&postid=14969763#post14969763 target=_blank>Originally posted</a> by docsky
IMG_0179.jpg


Attached are some pics of mine Moorish. Pretty reef safe although here will pick at some of my small green zoa's every now and then.

Nice Idol but a little skinny by the visible view of the dorsal bone. Feed it more than usual until it fattens up. This is where most people fail and wonder why their Idol perish in a few months.
 
I'm no expert at keeping them but have made some observations on mine that I've had going on 4 years now I beleive

Crusty, Of course you are an expert. How many people can keep one of these things?

By the way the water near Sacramento looked pretty clean to me.
Much too cold for me though.
 
Thanks, he is nice and fat now those were some older pics when i first got him. He is a big fan of the Hikari pellets and the NLS. I'll post some more recent pics when i get some. This is my second MI. I had my first one for 2 years before selling it when i set up my reef tank (big mistake on my part). I finally saw this health but skinny one at a LFS so I had to get him. They can be tricky to get to eat at first and seem to be hit or miss with the reefs.
 
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