Advice On 40 Breeder Stocking

Catfishgal

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HI all! Fairly new to the fish keeping game but am very excited to be starting a 40 gallon tank soon. Obviously stocking is a ways down the road but I can’t help but to start researching possible fish to put in the tank. Anyways I have come up with a rough idea of what I’d like and am hoping for any feedback/advice you have to offer!!!

Pearl gouramI Neon tetras Harlequin Rasboras Otocinclus Corydoras

These are some types of fish that I am interested in putting in the tank and I’m just wondering how many of each or if this is too many types and I should make some adjustments or what. Thanks!
 
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Catfishgal

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MJohnson said:
I'm starting a 40 gallon breeder as well and this is similar to my stocking. Except I'm doing ember tetras and cardinal tetras.I'm thinking:
1 pearl Gourami
5 otos
13 cories
10 Cardinals
20 embers
2 guppies
6 endlers
I like the cardinals a lot too! I just have read a lot about how pearl gouramI like to be with some of their own as long as it’s not multiple males and I hate the idea of one lonely fish. Your numbers are really helpful in assessing how many fish I can accommodate, thank so much!!
 

MJohnson

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Catfishgal said:
I like the cardinals a lot too! I just have read a lot about how pearl gouramI like to be with some of their own as long as it’s not multiple males and I hate the idea of one lonely fish. Your numbers are really helpful in assessing how many fish I can accommodate, thank so much!!
No problem. I wanted more than 1 pearl as well. However, I was told they can be aggressive when breeding and could harm the smaller fish.
 
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Catfishgal

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MJohnson said:
No problem. I wanted more than 1 pearl as well. However, I was told they can be aggressive when breeding and could harm the smaller fish.
Yeah I read that somewhere and I’m honestly not able to sex them myself but I work at a LFS and am surrounded by people who would know lol. I figure if I can stick to females I’ll be in the clear.
 

Noroomforshoe

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I love pearl gourami, they are some of the most beautiful fish you can get. I suggest you wait until the tank is well established with other fish for a couple months at least.
Yes they are much less aggressive then most gourami. you can get 2 for sure. I have , over the years, kept about 4 different pairs. 3 of those times, I somehow, ignorantly? or accidently? ended up with a pair a males. 2 of the 3 times they hung together like best freinds their entire life, The third pair I had to seporate. So yes a male and female is probobly better.
Neon tetra, they are very sensitive little fish, I would urge you to start with just about any other species of tetra, maybe not cardinal tetra are more sensitive and you must have a nutral 7.0 Ph or lower for them Black neons are awesome and more hardy, X-ray are the longest living and most peacefull tetra I ever had.
Otos, Very sensitive live caught strictly omnivore fish. You should not buy them before you have algae growing in your tank, they need a transitional period to adjust to commercial foods and can die without algae. Cories are a simpler hardier bottom dweller you might think of getting first. Get 5 or 6 corries and you could always get otos when your tank is more established. I don't want to sound like a downer, but lossing all those sensitive fish would be worse.
 
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Catfishgal

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Noroomforshoe said:
I love pearl gourami, they are some of the most beautiful fish you can get. I suggest you wait until the tank is well established with other fish for a couple months at least.
Yes they are much less aggressive then most gourami. you can get 2 for sure. I have , over the years, kept about 4 different pairs. 3 of those times, I somehow, ignorantly? or accidently? ended up with a pair a males. 2 of the 3 times they hung together like best freinds their entire life, The third pair I had to seporate. So yes a male and female is probobly better.
Neon tetra, they are very sensitive little fish, I would urge you to start with just about any other species of tetra, maybe not cardinal tetra are more sensitive and you must have a nutral 7.0 Ph or lower for them Black neons are awesome and more hardy, X-ray are the longest living and most peacefull tetra I ever had.
Otos, Very sensitive live caught strictly omnivore fish. You should not buy them before you have algae growing in your tank, they need a transitional period to adjust to commercial foods and can die without algae. Cories are a simpler hardier bottom dweller you might think of getting first. Get 5 or 6 corries and you could always get otos when your tank is more established. I don't want to sound like a downer, but lossing all those sensitive fish would be worse.
Thanks, all of this information is really helpful! I’ll have to further research the tetras because I have a 29 gallon with black neons and I’d really like to switch it up and go with a more interesting type in the 40. Thanks for the tips about when to add the gouramI and otos. I have 5 otos in the 29 gallon but the tank had been going for a while before that and there was a substantial amount of algae for them to munch on. In terms of the Gouramis, I had wondered if maybe the smaller fish should come first so thanks for confirming that. Do you have any advice in terms of numbers of fish in each school?
 

Noroomforshoe

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Hi!, you should have no less then 6 fish in a school, I like to add more like 7-8 because sooner or later, you are gonna lose some. And with neons, its unfortunatly often so0ner, I kep them only once, But I have read of their frailty on many forums. Get them if you want, they are beautiful. Maybe 10 or so, they seem to thrive in larger numbers.
 

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