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Quillfish 07-11-2013 11:27 AM

Is this a good stocking list for a 55 gallon?
I'm hoping to at some point get a 55 gallon tank, which I will turn into a community aquarium with small fish. I've created a stocking list of what I'm planning to put in it eventually, but I'm not sure if its acceptable.

8 black neon tetras
5 platies
6 guppies
5 cory cats
2 mollies
1 pearl gourami

Would all these fish work together in a 55 gallon? Is there too many, or is that a reasonable list? I'm not sure how the tetras and the gourami will get along. Are black neons nippy at all? I've read that they're more peaceful than most tetras, but still...also, will any of the larger fish eat the tetras? I'm not sure how big pearl gourami's mouths are, but I know that they grow to 5 inches, and mollies grow to 3 or 4. I'm planning on stocking only male livebearers to avoid fry, but are males aggressive to each other at all?

Is there enough of each schooling fish? I was also considering getting ember tetras instead of black neons, so I could have a larger school of say, 12, but they're so tiny that they could be eaten...

And another thing, I absolutely love Endler's livebearers, but I haven't been able to find them at my LFS so far. If I did, though, would I be able to put a few of those in as well? (Like, 3) They're pretty tiny, but I don't know if I'm at capacity with my list yet.

And some more info: I'll probably overfilter, maybe get two small-ish filters so that the current isn't too strong. I've read that Aquaclear makes good filters, but I'm not sure of any others. Using a heater (duh), will probably keep the tank at 78-ish. I'll try to keep the ph near 7 or 7.5, to satisfy the different types of fish. Weekly or bi-weekly water changes. I'm going to do a fish-in cycle with the platies, since they're fairly hardy, but use some Tetra Safestart, which gets good reviews, so must work at least to an extent, and (if I can get my hands on any), some used filter media, which should cut down the cycling time greatly.

Input, anyone?

djembekah 07-11-2013 03:16 PM

I don't know for certain, but i'd personally up my shoals of tetra and cories.

one thing i would recommend though, is try to find out whether your water is soft or hard. some of the fish you've chosen exist in naturally soft water in the wild, and some in hard. captive bred fish will have similar requirements. gh, kh, dgh (someone correct ne if I'm wrong) all are numbers to look for with hardness. higher numbers mean harder water. the fish profiles are a little tough to navigate, but check them out and see if yoi can discern the needs of the fish you want.
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Austin 07-11-2013 09:51 PM

Looking at it, it seems fine.

I'm not sure on the merits of this website, but:
Idk why the tank size is lower than 55g when I put 55g in.


:D I feel like the neons will be okay, but I don't have much experience with them. It seems to me like everything else would be fine!

What do you mean keep the pH at 7.0-7.5? I believe it is best to work with the pH of your tap water or use something like deionized water. If you adjust the pH a lot and don't keep the water consistent it will be very harmful to the fish.

djembekah 07-11-2013 11:08 PM

same thing goes for water hardness. Choose fish for your water. The neons, cories, and the gourami are, i believe, all softwater fish. the live bearers are hardwater fish.

Quillfish 07-12-2013 07:43 AM

Alright (: Thank you! I'll also try that site with slightly higher numbers of neons and cories to see if I could fit them.

As for hardness, I haven't actually tested my water, but there's a mineral buildup at the waterline of my current tank which makes me think that it's pretty hard. Is there anything you can add to the water to lower the hardness? Or should I not be messing with water chemistry.

And yeah, I probably wouldn't want to change the ph since I've read that can be bad for fish. But I better hope its around neutral, because if its something extreme like 8 or 6, I'll have to forget a few of those fish I listed xD

djembekah 07-13-2013 12:50 AM

It's a LOT easier to just leave hardness where it is, just like leaving pH where it is. Trust me, >.> i'm trying to harden my water for my snails and my plants and it's just really difficult u.u

jaysee 07-13-2013 06:04 AM

The reason it's not closer to 55 is because your measurements are not more exact. A 55 gallon is 48.25 x 12.75 x 21.

Pearl gouramis have small mouths - they aren't going to eat anything other than fry. I had kept 4 in the 45 I had. You could easily keep 4 or 5 in a 55. In my experience they are a group oriented fish that enjoys the company of their own kind. I would not recommend getting just one.

Quillfish 07-13-2013 11:07 AM

That's good that the pearls won't eat my However, I'll probably stick with just one, since I've read they sometimes fight with each other. Probably depends on the fish's personality though.

Does anyone know about mollies eating other fish though? I have one, and its mouth is enormous! Then again, they don't grow as big as pearl gouramis, especially the smaller species...

jaysee 07-13-2013 11:32 AM

Environment has a lot to do with it - from what I have seen people who have problems are either keeping them in too small of a tank, or are keeping too few, often both.

If you want just one, there are other species of gouramis that are much better suited to being kept singly.

Mollies can grow to 5 inches. Keeping 1 or 2 mollies is not such a great idea. They can get quite aggressive. They are a group oriented fish, just like guppies and platys (and pearl gouramis) - they should be kept the same way.

Quillfish 07-23-2013 12:51 PM

I changed my mind....I want to go with mostly livebearers. They are my absolute favourite fish and I just want as many as possible! Also I can't find a small schooling fish that I like, so I figured I'd just cut them out of my stocking for now.

Here's my updated list:

9 guppies
6 platies
4-5 mollies
1 bristlenose pleco

I would also like to keep a gourami (singly or a pair). Any species recommendations? I've looked at the pearl gourami, moonlight gourami, two spot and three spot gouramis, but I'm not sure if any of them are ideal for my tank. The requirements would be:

-Wouldn't eat the guppies
-Wouldn't be stressed by active fish
-6 inches or less
-Kept either singly or (if less than 4 inches) in a pair


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