Something on glass

[Jaylivi1212]

You can see two of them to the left

 

[Somuchflo99]

Probably a pod of some sort I found that looking at it with a magnifying glass than googling the discription " in saltwater tank" comes up with a ton of info

 

[Jaylivi1212]

Probably a pod of some sort I found that looking at it with a magnifying glass than googling the discription " in saltwater tank" comes up with a ton of info

Still can’t identify it

 

[saltyfilmfolks]

Sorry need a better picture.

 

[Tahoe61]

Check out the link below. I would be surprised if you can not find the ID there.
https://www.lionfishlair.com/hitchhikers-guide/