Are these fish eggs? Or something else? REEF2REEF Saltwater and Reef Aquarium Forum

I'm going to give this a try - though it's freshwater.

Clown fish eggs REEF2REEF Saltwater and Reef Aquarium Forum

White dots.snail eggs? sponge? Something else?

10 year old reef REEF2REEF Saltwater and Reef Aquarium Forum

Little white dots on glass (they move) REEF2REEF Saltwater and Reef Aquarium Forum

Reef Spotlight - REEF OF THE MONTH - September 2023: Oly's Incredible Acro Reef!

Nano Build - 25G Mixed Reef with Interruptus Angel

Are these some sort of eggs I should worry about?

What is this on my fire fish? REEF2REEF Saltwater and Reef Aquarium Forum