Hi,
I woke up overnight and found that a few of my purple harlequin rasbora now have shredded or ripped tails.
The tank is a three foot wall aquarium so narrow. Occupants are: 6 harlequin rasbora, 1 otocinclus, 3 pygmy cories, 1 chilli rasbora and 1 sparkling gourami. The chilli and sparkling...