Watch to learn more. Then we move on to their distant cousins the brittle stars (Ophiuroidea). These echinoderms have evolved in a different direction most species live under rocks. They have a ...

Sea cucumbers are echinoderms, invertebrates including starfish and sea urchins that have a five-rayed body arrangement. One could think of a sea cucumber as an elongated urchin that has largely ...

My daughter is also very good at urchin-wrangling. The urchin can’t resist her calm sympathy and good humor and she has the little echinoderm practically purring in no time. Occasionally ...

The role of wild and domesticated animals on alpine ecosystems is unclear. Here, the authors use sedaDNA from 14 European alpine lakes to demonstrate a positive association between wild and ...

The study of the physiology and ecology of animals that don't have backbones, ranging from worms to sea stars, and of parasites, which can often provide insights into complex ecosystems. (Sea star ...

These echinoderms can regenerate entire arms (called rays) when damaged or severed, but their regenerative abilities go even further. Some starfish species can regenerate their entire body from a ...

The depths of our oceans hold mysteries that continue to fascinate scientists and ocean enthusiasts alike. Among these wonders is the phenomenon of bioluminescence – the ability of living organisms to ...

This important work investigates the mechanism that underlies the switch between feeding and mating behaviors in the oriental fruit fly, Bactrocera dorsalis. Using a variety of approaches, the authors ...