• John3142

Leonard

Harmless detritivore. Class Holothuroidea. Let it live, return it back to the aquarium.

Vanessa

I think that the Squad: Dendrochirota, class: Tree-like tentacled holothurians.

Keith7534

Help to identify. It arrived on a stone, about 4mm in size.

Michelle1505

The variety Manjano seems to grow very quickly, displacing other plants; in short, it's a weed!

Christine

I googled it... but I found something similar... I can't tell if it's the same or not Cribrinopsis crassa - Mini Anemone.