What is it?

[Mandymae]

 

[snakeblitz33]

Almost looks like a mojano anemone.

 

[bang guy]

Caribbean Mushroom.

 

[Mandymae]

Should I remove it? Will it do harm?

 

[bang guy]

They do eat pods but not a lot. Usually they stay hidden in the dark on the bottom of rocks. I leave them as I enjoy the diversity of critters.

 

[pegasus]

They do eat pods but not a lot. Usually they stay hidden in the dark on the bottom of rocks. I leave them as I enjoy the diversity of critters.

Same here. I have a few in my tank. They aren't invasive like aiptasia or majano, so I leave them be.

Almost looks like a mojano anemone.

Majano looks like a deflated, brown-colored BTA...

 

[Mandymae]

This is more transparent with withe or light purple on. The tips .. but thanks for the info