• Biodiversity Brittle Star
  • Brittle Star

    Amphiura filiformis

    A. filiformis is a small brittle star that lives in soft bottom sediment. These brittle stars burrow down into the sediment and extend their arms into the water column to collect food particles. The extended arms may get eaten by predatory fish or damaged by physical factors. The arms then easily break off but can be regenerated by the animal. The new arms develop fully with a new functional nerve system.

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    Written by Rob Nelson

    Rob is an ecologist from the University of Hawaii. He is also an award winning filmmaker. As principle director of the Untamed Science productions his goal is to create videos and content that are both entertaining and educational. When he's not making science content, he races slalom kayaks and skydives.

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