Is my BTA dying?

[toxicdave45]

I recently bought a BTA last week and it was white when I bought it (I didn’t know they weren’t supposed to be white) and it moved when I first put it in but it looks to have been shrinking and appears its mouth is open today. Is there anyway I can help this guy?

This was it the day I bought it about 10 days ago

This is today

 

[vetteguy53081]

I recently bought a BTA last week and it was white when I bought it (I didn’t know they weren’t supposed to be white) and it moved when I first put it in but it looks to have been shrinking and appears its mouth is open today. Is there anyway I can help this guy?

This was it the day I bought it about 10 days ago

This is today

Dying no but at its height, likely climbing due to insufficient light. Offer moderate to medium light and moderate flow. Too much light or flow, they hide. Too little light needed for energy, they shrink or climb