Shoaling Fish

[joshjames]

so i am transfering my 60 litre tank into my new 300 litre tank and i hav
4 harlequin rasbora
4 black neon tetra
7 cardinal tetra
should i make it
6 harlequins
6 black neons
12 cardinals
or
8 harlequins
8 black neons
8 cardinals

 

[Truck]

no less than 6 to each species, but some species will more than likely shoal together anyway