What’s this white thing on return pump?

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ajf2077

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If it's the thing you zoomed in on, it looks like a snail. What kind is very hard to tell from the picture though. Does it move or is it stationary? Hard or soft? Are you able to give a decent description to help us ID it for you?
 
Hard to tell what it is from the photo provided
 
If it's the thing you zoomed in on, it looks like a snail. What kind is very hard to tell from the picture though. Does it move or is it stationary? Hard or soft? Are you able to give a decent description to help us ID it for you?
Sorry, spent a few minutes, was hard to get in focus, I'll watch it and get a better picture when it comes around the glass. It's like a flat white blob with no shell. about the size of my pinky finger nail. I think has 2 atenna's on it's head. It moves around, been slugging around the glass and now it's posted up on return pump. It's soft. Hope that helps a little more.
 
Flat snail with no shell, two antennae?

Sounds like a possible Stomatella snail or a nudibranch of some variety.
 
Nice! I was worried it was a flatworm of some type, but I just googled stomatella, and it could def be that. I'll share a better picture when he gets closer to front of tank. Thanks again, new to this!
 
Yep. That pink half shell on his back is highly indicative of a Stomatella. Great CUC and awesome hitchhiker.
 

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