Aug. 9, 2021, 2:46 p.m.

Mandarin Algae

These algae are of course not called Mandarin algae - I call them that since when viewed under UV light, their chloroplasts autofluoresce in red, mimicking Kanji.

Algae chloroplasts autofluorescence under UV light
Algae chloroplasts autofluorescence under UV light