Tiny orange/red bugs in canister filter

[ab-774819]

So I opened up my canister filter to add some GFO and as soon as I popped it open I saw these tiny orange bugs with red spots inside/on them. I can't tell if they're moving but I don't think they do. I can't find anything about it online besides possible red bugs that eat acros but I just can't see them anywhere in my tank. They obviously have to be in there if they're in the filter but I can't see them. Anyone have any ides what they are, how or if they're harmful, how I can get rid of them if need be?

Maybe eggs from something?

 

[taricha]

hard or squishy? pics under water?

 

[ab-774819]

hard or squishy? pics under water?

They're squishy, but I've already removed them unfortunately. Or the ones I could see anyway.