Interesting fish for now empty tank, shark, octopus?

[DanEnglish]

So i just transferred the livestock from my 110g tank to a new tank (92g corner) and I am trying to decide what to do with the 110. They are plumbed together to a 55g sump. Initially I was just going to do another reef from scratch but I decided it might be a good opportunity to try something else. So, I was considering a shark (banded cat shark from an egg), cuttlefish, octopus, or large grouper or eel or other aggressive species. So, if you had an empty tank, what single large and interesting item would you put in it?

 

[hybridazn]

A black tip reef shark would be sweet!

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[DanEnglish]

a little big i think! even a banded cat should would have only a limited stay in a 110...

 

[Cahooligan]

i wouldnt do an octopus, because if they release ink, your connected reef would die...tank is also too small for a shark...what about another reef with a m/f/f trio of dwarf fuzzy lionfish? or a pair along with a snowflake eel?

 

[sunil6784]

+1

How about a reef with aggressive fish? Be cool to see the contrast between the two..

 

[aquaman67]

A Piccaso trigger would be cool, or any trigger for that matter.

The have personalities, almost like a dog. They will beg and grunt at you.

I'd get a trigger...

 

[Angel*Fish]

That's why I wouldn't get one. It really seems cruel to keep them in such small spaces and it would out grow the tank anyway.

 

[frankpayne32]

i wouldnt do an octopus, because if they release ink, your connected reef would die...

This is not true. First, the ink is not particularly harmful and is removed immediately if you use carbon. Second, they rarely ink. I keep an octopus tank plumbed into my main system. They are amazing and intelligent animals. Octopus gets my vote hands down.

Here he is:

He lives in the bottom tank (this is a pic before it was filled with rock, he doesn't live in a bare tank):

 

[campos]

A Piccaso trigger would be cool, or any trigger for that matter.

The have personalities, almost like a dog. They will beg and grunt at you.

I'd get a trigger...

+1, if I was to do another type of tank I would do triggers, puffers and eels

 

[Swanwillow]

octopus vote from me!

Hey Frank, do you happen to have any more full-system shots, now that its full?

 

[frankpayne32]

octopus vote from me!

Hey Frank, do you happen to have any more full-system shots, now that its full?

Kind of, here is one from a few weeks ago. I have since added more rock but it is basically the same. It also shows how I keep him in the tank (gasket, reptile screen lid, clamps).

Hope I'm not hijacking, but here is a vid of my octopus eating. Maybe it'll persuade you to go the octo route.
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[LOTUS50GOD]

The problem is that a reef requires low nutrients. If you have an aggressive tank you will need to feed it, hence raising your nutrients in your reef..

 

[frankpayne32]

One large fish or octopus isn't going to significantly raise the nutrients of a properly filtered system of that gallonage. My octopus eats half a shrimp every two days. That is a significant jump in what I feed my system but I have not noticed any effects to my water chemistry whatsoever.

 

[NatureNerd]

My vote is for liverock and some beautiful angels or butterfly fish. You know how often we say things like that is really a great fish, too bad it isn't reef safe. No worries with this tank. Still low nutrient and stunning.

Also, any shark will quickly outgrow that tank.

 

[hul kogan]

Very cool frank, what type of octo is that?

 

[returnofsid]

Your tank isn't near large enough for any shark. An octopus would be possible, though I wouldn't recommend it. Octopus are magical escape artists and any plumbing, connecting the tanks together, through a sump, would be a fantastic maze for an octopus to play in.

 

[frankpayne32]

Very cool frank, what type of octo is that?

It has tentatively been identified as Abdopus aculeatus.

 

[frankpayne32]

Your tank isn't near large enough for any shark. An octopus would be possible, though I wouldn't recommend it. Octopus are magical escape artists and any plumbing, connecting the tanks together, through a sump, would be a fantastic maze for an octopus to play in.

I use screw in strainers for my inlet and outlet pipes. This would prevent all but dwarf octopuses from escaping into the pipes.

 

[ludiNano]

How often does the octo come out I thought they hid most all the time. Not much for viewing, but still very cool to have.

 

[grallster]

The only thing that would concern me with an octopus is their naturally short lifespan.