How to figure out leader of shoal. (Barbs)

[Piratechest]

I have 2 platinum green barbs and 3 tiger barbs. One of each species is still very juvenile. And still plan on getting 1 more pgb. So my question is, I have 2 different species, do they have leaders of their own species? Weird question I jnow

 

[Plecolover18]

U can't fish hang in groups called schools and if one fish moves they all move and so on

 

[Piratechest]

U can't fish hang in groups called schools and if one fish moves they all move and so on

tiger barbs are known to have tank within their school. From what I hear, tiger barbs gain a Metallic color in their stripes when challenging to 'rank'.