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Katie4842
Eric8832
The photo is of poor quality, it's very hard to see. I wouldn't even dare to call it a nudibranch; it looks more like a worm.
Jessica
it's flat, and it's unclear where the back and where the front is, lol I'm trying to redo the photo
Rodney3101
I would say that the planarian...
Tanya
three centimeters?