Do Rummy Nose Tetras eventually stop shaoling?

f2002

I have a 60 gallon planted tank with 9 rummy nose tetras. At first they would school beautifully, swimming back and forth in the tank all day long. After about 6 months of this, I added 4 giant danios. Right about that time the rummy nose tetras stopped schooling. I don't know if it is a coincidence or maybe somehow the danios have made the rummy nose tetras feel so safe that they stopped schooling altogether.

I love watching fish swim back and forth in a shoal/school. How can I restore this to my tank?

Will the rummy nose tetras school again if I added more rummy nose tetras? Or are they never going to school again because they figured out there's nothing dangerous?

Or should I try to go for another kind of schooling fish, like harlequin rasbora or bloodfin tetra? Or will they all eventually refuse to school after a few months?

FYI, my tank has no predators. There's 3 rainbow fish, some neon tetras, kuhlI loaches, oto cats, guppies, etc. Water quality is great and I have very few casualties. There are no bullies and everyone is super chill.
 

Betta Splendid 1

The more safe they feel the less they will shoal, in my experience the darker the light the tighter the shoal so if your lighting has different modes maybe you could see them shoal again
 

Redshark1

Rewind to your pre-existing situation and find out!

Or, give up fish and become a tennis fan!
 

superbutterfly12

Get a mean fish? Or a big one that looks like it might eat them?
 

superbutterfly12

Chase them with a net. They will school for a while after that!
 

DoubleDutch

Yeah or put them in a 5G tank hahaha. Joking offcourse. Strange cause Rummynoses are quite tight schoolers
 

angelfishguppie

Chase them with a net. They will school for a while after that!
I just clean the glass thoroughly with the magnet algae cleaner... tightens up all the shoaling.
 

Redshark1

I hear they are breeding a hybrid sheepdog fish!

It will be on the market soon!
 

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