Thanks everyone for your replies! The worm-looking thing on top of the brownish mass is actually a sperm plug. I pulled it away and checked it out very carefully. You can't see the whole thing in the pic, but it is the usual U-shaped plug. He has produced many plugs, but I never get them this way! He has had a fecal done about 3months ago and it was clean. Just really concerned with the blue goo! I threw it out now though, assuming it's just one of those things.
Thanks again,
Glenn

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