Endler's Aggression

[stanleo]

I just added two new endler's to my shrimp tank for a little more movement and the one endler's I had in there already was looking kinda lonely. One of the new ones is a guppy hybrid endler's with a long tail. He is definitely the dominant one. when he comes near the others they turn sideways and fold there tail and dorsal fins down to seem smaller and the hybrid makes a run at them. Is this normal behavior for this species? They are in a 10g shrimp tank with no other fish. All male.

 

[Ny82]

If there's just males then yeah, they will bicker! 

 

[HAMBONE]

I just added two new endler's to my shrimp tank for a little more movement and the one endler's I had in there already was looking kinda lonely. One of the new ones is a guppy hybrid endler's with a long tail. He is definitely the dominant one. when he comes near the others they turn sideways and fold there tail and dorsal fins down to seem smaller and the hybrid makes a run at them. Is this normal behavior for this species? They are in a 10g shrimp tank with no other fish. All male.

I has a 8 gallon that is my Cherry Skrimp tank.. gots three male endles in there too.. they seem to be more aggressive towards each other, more so than my guppys.. and I gots two females in there to help keep the peace..
 
I'd say normal for the fish..