Biotodoma variety are broadly gregarious and you can will are now living in communities unless spawning having juveniles in particular showing a strong personal effect when threatened. A small grouping of 5-8 someone should therefore become minimal get that usually setting an apparent prominence hierarchy which contributes behavioural appeal toward observer. When was able inside less quantity weaker specimens becomes the goal regarding continuously discipline from the principal individuals and/or class may falter to repay and function nervously.
Sexual Dimorphism
Multiple authors keeps advised that sexes are distinguishable from the pattern out of laterally-orientated, iridescent blue scars and that increase regarding underneath the prior portion of the interest towards the suggestion of snout.
For the guys this type of marks have been believed to function unbroken streak, whereas in females they are meant to mode some adjustable blotches. It has been recommended that the reason for this will be that people inhabit greater drinking water if you are guys choose the shallows and therefore are thus quicker available to collectors, but it looks dubious because of the amount of juveniles shipped. Continue reading Except if reproduction it variety are surprisingly quiet and does not precede into the fishes bigger than several mm long