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This grew up in my water cup over night!

  1. Length ~ 12mm
  2. Form - spiral made of dark dots
  3. It does not move
  4. Growing slowly

Can some one help identify it?

strange spiral creature

The Architect
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    I would guess these are eggs of some animal. Just a wild guess. – bli Jun 14 '18 at 11:45
  • Can you give us a location as well? – tox123 Jun 17 '18 at 17:38
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    Yes, of course! https://www.google.com/maps/@46.3494507,48.0312648,332m/data=!3m1!1e3 – The Architect Jun 17 '18 at 21:53
  • Wow, what a precise location :D I didn't know that there was a city with such a name, only knew the fur with this name! For how much time that speak would grow? Did it happen something afterwards? – LinuxBlanket Aug 16 '18 at 00:36
  • It was expanding for 20-30 hours, then almost completely disappeared in water. – The Architect Aug 21 '18 at 09:37
  • See my comment on this question – Bryan Hanson Oct 08 '18 at 20:01
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    Definitely eggs since it appeared so quickly. Caddisflies (Trichoptera) lay their eggs in spirals within a slimy blob, but some searching made me see that other animals do too. Like this https://bugguide.net/node/view/641162 that apparantly comes from midges. Perhaps someone else can come closer! – picapica Oct 09 '18 at 09:30
  • @picapicaThank you! We have a lot of Caddisflies and Chironominaes here, great guess! – The Architect Oct 13 '18 at 15:17
  • It appears like the egg mass of some Chironominae species. At least searching "Chironomus eggs" returns visually similar images. @picapica can you post an answer? – WYSIWYG Jan 15 '19 at 09:15
  • See this SO question for an answer to a related question, which points to Chironomous egg masses. – Bryan Hanson Jan 16 '19 at 17:18

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