2 Questions! Is My Harlequin Rasbora Pregnant? (pics) ... What To Do With One Antisocial Rasbora?

Tonygd

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Hello everyone, After 1 month of fishless cycle, 6 days ago I added fishes to my 37 gallon (143 Liters) tank, Everything went lot better than I expected. no fish died, Other than low co2 level everything else is perfect, I will restart diy co2 reactor after fishes get comfortable in my tank. I have 8 Harlequins, 15 Cardinal tetras, 8 Neon tetras (both of these fishes school together), 6 cory cats, 1 bristlenose pleco.... I think I have space to add few more fishes, my filter capacity is around 300%, No nipping or any aggression from any of these fishes.

Questions is,
1) Please see the photos below, is my Harlequin rasbora pregnant?, I just bought her, and what should I do now? Do I need to separate her or wait? How many fry they can have?

2) This is kinda stupid and funny, One of my Harlequin rasbora (pics) ignore everyone else and live alone, I have 8 of them and 7 school together but this one ignore them, but no aggression from him or from others toward him, sometime he just swim through the Harlequin group without paying attention to others. I have few males and females so I don't think this is sex based problem. Should I buy few more Harlequins from the same fish shop, so he can find a old friend?


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Tonygd

Tonygd

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Katie13 said:
Harlequins are egg layers.
I didn't know that, so if she lay eggs I just need to separate them?
 

Katie13

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You can leave them with the parents. Most will guard them.
 

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