Acan spitting stuff out

[Pockets]

Any one every see there acan spit stuff out. Lights turned off just moon lights were on and i just happen to look in the tank at the right time and my acans were pushing out little black things. Slowly started to show and then all at the same time spit it out. Strange any comments or exp

 

[chefjpaul]

Digestion

 

[Pockets]

Didnt even realize they did that. Never caught it before. Thanks. I feel like a newbie all over again. Lol