hydrozoan

[KazranStohn]

just found this dude in my tank , I'm gonna name it Constellation

 

[BristleWormHater]

Did you post another thread about this guy earlier? I think I remember seeing it. Pretty sure this is Cladonema radiatum.

 

[KazranStohn]

Did you post another thread about this guy earlier? I think I remember seeing it. Pretty sure this is Cladonema radiatum.

I didn't, but thank you so much for the name

 

[LegalReefer]

Whoa, what a beauty! I'm always impressed by what can show up in our tanks unexpectedly, there's so much life!

 

[ISpeakForTheSeas]

Did you post another thread about this guy earlier? I think I remember seeing it. Pretty sure this is Cladonema radiatum.

Yeah, Cladonema:

Cladonema radiatum.

If you want to try and keep them, you would need to supply a healthy amount of zooplankton (rotifers, copepods, baby brine shrimp, etc.), and see what they eat. You would also need to care for them through their polyp stage, which you can see in the thread below:
https://www.reef2reef.com/threads/roots-on-glass.1063454/