small pear-shaped whitish creature?

scrapman

Member
I have a number of small pear shaped whitish critter attached to return hoses, sponge filters, trays (canister filters).
They are 1/8 inch high with legs (antennas??) standing upright. They are attached to the object (even a base rock seeing no light). They don't move.
Sorry no pics.
What are they? Goor or bad?
Thanks
 
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