Asian cardinal rasbora
Microrasbora: Microdevario: from the Ancient Greek μικρός (mikrós), an undescribed species and has been marketed as 'Asian Cardinal Rasbora', M. sp.
Description:Buy on Amazon Harlequin rasbora juveniles are timid and they prefer to stay in the shadow of the tank plants. When growing old they start showing more interesting behavior. If harlequin rasbora juveniles either swim in a big school, or drift away around the tank to find something to eat; when getting older they try to get more honorable according to the school hierarchy place and attract the attention of the opposite sex species. To find out who is the best male Harlequin rasbora males get frozen side by side at a distance of about 2 cm from each other and then start to go in circles spreading their fins wide and trembling a little at the same time.