Do crosshatch need to be kept in pairs?

[kangadrew]

Almost every crosshatch I've seen has been in a pair.
Is there a reason for that, or are they just as fine kept singly?

Drew

 

[Amoo]

Singles or pairs is fine.

 

[cracker]

I think it's about how these 2 fish together look . Ya need a big tank for that . One is fine. I hear they are peaceful for Triggers .

 

[eatbreakfast]

Agreed. They are fine either way.