ID: Growing under my leather, almost anemone like

[maevepotter]

Any idea what these are? Very pretty but nearly transparent tentacles with a beige foot

 

[maevepotter]

Found it: Corynactis

Aquarium Invertebrates: Mushrooms, Elephants Ears, And False Corals: A Review Of The Corallimorpharia

Whether you have a large reef aquarium or a simple small aquarium, any of the corallimorphs can be easily maintained and enjoyed for decades.

www.advancedaquarist.com

Orange Ball Anemone | Melev's Reef

Another tiny and virtually undetectable creature is the Orange Ball Anemone. It is actually from the mushroom family, and not an anemone at all. However, due to its appearance, it was named accordingly. I have found these scattered throughout my tank, usually closed up all day long but opened up...

www.melevsreef.com

Tiny, clear anemone with white balls on tips. https://www.thereeftank.com/forums/showthread.php?t=182519