Gravel fadeing to sand substrate?

A7ESF

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Jan 18, 2005
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First off I want to say I love the site and ALL the wonderfully helpful people and advice. It's people and sites like this that have gotten me even more addicted to aquariums. :D

I've had tanks for several years now, but they have always been the easy to care for live bearers and such. Well now I am going to be setting up a 30g Long tank and have been completely taken by the "shellies" and their habitat and want to set up a shellie tank. Overall I have two questions:

1. I understand that shellies really need a sand substrate and I have to admit that I really like the way that sand looks However, I want to have the tank "split" with about 2/3 of the tank (from left to right) being a sand substrate and the remaining third being gravel. On the gravel side I would like to build up about 6" - 8" of rocks so there are lots of holes and caves for any other fish to hide and play in. My idea is with the rocks being stacked on the gravel, I wouldn’t have to break down my stack of rocks to stir the sand. That and I might have a little room to grow a plant or two if I later decide to try that.

2. What, in your opinions, would be the best tank mates for a couple of N. Multi shellies. From what I have read there are many many threads on what might work, but they are all for smaller tanks. I'm thinking of 3 or 4 pairs of N. Multis, and will go from there on what else I can add. I like loaches but know they may be a problem since they are also bottom dwellers, so I know I need some mid tank and/or upper tank friends as well. Would glass Shrimp survive?

Our tapwater normally runs a pH of 8.2 to 8.4 and a KH of about 180 (can't remember the exact at the moment) so that narrows down the list of tankmates I can add without starting to make advanced (other then the standard chlorine/chloramine treatment). On my existing 20g tanks I do weekly 25% water changes so that shouldn’t be a factor in fish choices. Anyway, I'm rambling now but I appreciate all the suggestions.

-Jeff-
 
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Let me start with the sand/gravel split idea. I don't think you will have much success with it. The shellies, as most other fish will dig in the sand, moving it around from one end of the tank to the other, so your gravel and sand will end up mixed together sooner or later. The idea of piling rocks on one side of the tank is a good one though. You can put sand throughout and still use the rock structure at one end for hiding places and such.

Next, there are a lot of possible tank mates for multies, but in the end it boils down to what you want from your fish. If your looking to have a nice family group and some fry left over to sell or trade, then that narrows the list considerably. I would stay away from julies and also avoid the temptation of the L. Brichardi. Both are well suited for the size of tank you have, but both will constantly rob the shells of fry. The julies more then the brichardi. That being said, I've found that one of the best tank mates for shellies are cyprachromis leptsoma....aka blue flash. They stay pretty small, and stick mostly to the top of the tank. The two compliment each other nicely with one sticking to the bottom, and the other to the top. In a 30g long, I would say you can get away with 5-6 cyps....just make sure they are the regular leptsoma, and not the jumbo's.

Best of luck, and if you have any more questions, feel free to ask.

HTH,
"J"
 
I agree the sand/gravel split won't work. Multis are little bulldozers...you won't need to stir any sand yourself. Heck, in my SA tank with sand I don't stir it - I just occaissionally gently stick the gravel vacuum in a part and let the sand settle back down (you don't want sand floating into your filter).

With rocks on one side, if you had julies they'd stick to the rocks. A. calvus or compressiceps would work in there, too. The multis by themselves are a lot of fun, too.

Eric
 
Thank you both for the information!

I'm not so much worried about the fry surviving, if they do, they will most likely become food for my Blue Crawfish (in a separate tank). Hopefully that will help the options for tankmates some.

About the sand and gravel, I never thought of the Multies moving the sand around that much. I'm glad I asked.


Thanks again.

J
 
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