A close examination of a collection of starfish in the Smithsonian revealed even more starfish inside those starfish. By Darren Incorvaia Christopher Mah, a biologist at the Smithsonian, was scouring ...

Starfish are classed as echinoderms, a word which comes from the Ancient Greek for “hedgehog skin.” There are many types of starfish and this one is particularly adapted to living in sandy, muddy ...

Part 1: Comparative biology and ecology. Phylogeny of the asteroidea / Andrew S. Gale ; The asteroid arm / John M. Lawrence ; Functional biology of asteroid tube feet / Elise Hennebert, Michel Jangoux ...

Cushion starfish is a catch-all term for a variety of starfish species. They are distinctive for their rounded bodies and short arms. The round shape is built on a calcium-rich structure that defends ...

Research into one of the most persistent coral predators on the Great Barrier Reef has revealed a troubling paradox in reef ecosystems: the crown-of-thorns starfish (COTS) appears to thrive in the ...

A close-up view of a vibrant red starfish arm underwater, showing small tube feet extending from its textured surface.© A-Z Animals Imagine waking up to find your entire body gone — no torso, no limbs ...

Researchers have discovered a new species of sea star (also known as starfish). The discovery came about thanks to collaborative work among researchers, fishers, and aquarium and museum staff. The ...