Merging 2 tanks

[cherisec]

I have a 3 gallon tank with one small common plecostamus and 4 neon danios in it - they seem to be doing quite well. I keep a close watch on my water parameters and do water changes often. I have inherited a 15 gallon from someone that is moving and can't take it with them and it has 4 red platys, 2 neon danios, 1 guppy and 1 larger common plecostamus. I would love to put my other danios in the 15 gallon tank once it is established but I have read that you can't keep 2 pleco's together because they are very territorial. Is this correct? Someone suggested that I transfer the danios and keep the small pleco in the 3 gallon tank and get a betta for that tank. Please can you tell me your thoughts and opinions on what to do.

 

[King Fisher]

Donate both of the common plecos to your local pet shop or to someone's pond. They are more suited for a 100 gallons or more. And that's for a single Common.

 

[Fishobsessed7]

I agree with King Fisher. Common plecos shouldn’t be kept by most people because they don’t have large enough tanks for them

 

[earhtmother]

Yup totally agree with Kingfisher - your *little* pleco will grow into an 18" or larger adult given time. This is mine 5 years later in my 125g - he started in my 10g. Very few plecos stay small, BristleNose being the most well known variety.

 

[cherisec]

Thank you all for the advice. I want to do what is in the best interest of the plecos so I will take them to my local aquarium shop.

As for the danios, can they be added to the 15-gallon tank or would it be a bit overcrowded?

 

[Fishobsessed7]

It will be fine to add them to the 15 gallon. I certainly wouldn’t add any more fish after that though as the tank would be on the full side

 

[cherisec]

Thank you