Twitter Post Transcription

Deb JJ Lee (they) @jdebbiel · 22h ‮⋯

Learned that sea urchins have a single eye and now I’m physically ill

[Two photos, the first showing a sea urchin and the second more zoomed in on a small orange part in the middle of its body.]

Readers added context
That is a butthole.
inaturalist.org/guide_taxa/292


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  • Goatmom@lemmy.ml
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    10 months ago

    Not a marine biologist, but I am a biology student in my undergrad, and have dissected these recently. That is indeed the butthole. Sea urchins don’t have eyes.