Help me id that

[aqva]

Hi guys, today I found that on my QT tank

I’m monitoring the QT every day and yesterday I didn’t see nothing, I added just a few nauplii of brine shrimp... they disappear
it seems like little jellyfish




I did two videos to identify that

hope someone can help me

 

[Bucs20fan]

Looks like hydroids in the medusa stage.

 

[SlugSnorter]

Hi guys, today I found that on my QT tank

I’m monitoring the QT every day and yesterday I didn’t see nothing, I added just a few nauplii of brine shrimp... they disappear
it seems like little jellyfish




I did two videos to identify that

hope someone can help me

as for the brine shrimp, filters/current prob destroy them