Weird pupai? in tank

[marivan]

This morning I woke up to find what I can only describe as a crystalis in the tank with my female Axolotl. It appeared to be wiggling. She's been on her own for over a year (with another owner). What on earth is it? Do they expel things like this?

 

[marivan]

I thought I could add a photo. I've been feeding my Axolotl shrimp as she loves that, and it looks like it's made up of that. The picture isn't great.

 

[akiso914]

looks like a poop, but maybe there was a hitchhiker in a shrimp she ate...