Microscopic baby sea urchin crawling with tubed feet is among video winners of Nikon Small World in Motion competition

The photographer identified the species as Arbacia lixula — a black sea urchin. As juveniles they show have a distinct reddish coloration compared to the typically black adults.

Stunning footage of a baby sea urchin has been awarded fifth place in the annual Nikon Small World in Motion video competition.

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By Elise Poore / Editorial Executive

Elise studied marine biology at the University of Portsmouth in the U.K. She has worked as a freelance journalist focusing on the aquatic realm. Elise is working with Live Science through Future Academy, a program to train future journalists on best practices in the field.

(Source: livescience.com; September 24, 2025; https://tinyurl.com/46h7u736)
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