Clamped Fin Betta

[j0shcnk]

Hi,

Previously my 30l Biorb flow held 2x neon guppies and a female dumbo betta; everything was well.

This morning I introduced a flame and a black guppy...Since introduction, the red neon has not stopped chasing the flame guppy and now the betta has a clamped fin.

Is the clamped fin due to stress caused by the guppy harassing?

Is there anything I can do about the neon's bullish behaviour?

The only water issue at the moment is a small pH spike at pH8...

Help please, I am a beginner with a capital B...!

 

[bnpleco]

What was your ph at? What are your levels? Has he stopped? It could be the guppies have harassed him too

 

[j0shcnk]

Levels were all fine...unfortunately we had a tragedy over the weekend and we found our betta (Josephine) trapped in the filter...( really sad about it...but we've got 4 lovely guppies who have all settled well, and we have tried our best to pack the substrate around the filter to prevent any more fish shaped openings...just missing our lovely glowing white betta...