Slime mold Tubifera dudkae on a log when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight near Lisiy Nos, west from St.Petersburg. Russia

🎞️ #3572-11

The image presents two photographs of the slime mold Tubifera dudkae on a log, captured under different lighting conditions. The upper photograph features the slime mold illuminated by regular daylight, while the lower photograph shows it exposed to ultraviolet (UV-A) light with a wavelength of 365 nm.

In both images, the slime mold appears pinkish in color but displays a striking difference when illuminated by UV-A light. Under this specific type of radiation, the slime mold exhibits a vibrant purple hue.

This phenomenon is likely due to the presence of fluorescent pigments within the organism that are only visible under UV illumination. The combination of these fluorescent pigments and the structural features of the slime mold's cells may contribute to its ability to absorb and reflect light in this manner. – AI vision

🇷🇺 Описание по-русски / Russian Description

Грязевая молния Tubifera dudkae на бревенке при обычном дневном свете, а также при освещении ультрафиолетом с длиной волны 365 нм вблизи Лисий Носа к западу от Санкт-Петербурга. Россия, 19 июля 2024 года. На изображении представлены две фотографии грязевой молнии Tubifera dudkae на бревенке, сделанные при разных условиях освещения. Верхняя фотография показывает грязевую молнию под обычным дневным светом, а нижняя - под ультрафиолетом с длиной волны 365 нм. На обоих изображениях грязевая молния имеет розоватый цвет, но демонстрирует ярко выраженную разницу при освещении ультрафиолетом. В этой специфической области излучения грязевая молния окрашивается в ярко-фиолетовый цвет. Этот феномен, вероятнее всего, обусловлен наличием флуоресцентных пигментов в организме, которые видны только при УФ-освещении. Сочетание этих флуоресцентных пигментов и структурные особенности клеток грязевой молнии могут способствовать ее способности поглощать и отражать свет таким образом. – Russian translation

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