Our planet is home to some of the most fascinating creatures that can survive without a brain and thrive without a complex ...

One of the largest in the world, with arm spans extending more than 4 feet, discovered deep within the Gulf of Mexico. A ...

Scientists are always baffled when odd animals show up in unlikely places, especially without a logical explanation. That is ...

Among these are some of the planet’s most unique spiky animals. When populations of these starfish become too high, they can cause significant damage to coral ecosystems by eating large amounts of ...

It turns out these balls of spikes are actually 5-sided echinoderms and thus related to starfish! We look at their beautiful shells and learn about their biology, reproduction and eating habits. The ...

On California’s North Coast, where other urchin nemeses — like otters, spiny lobsters and sheephead ... However, she added, if the starfish population could be revived, it could "turn ...

Sea urchins belong to a group of marine invertebrates called Echinodermata, which means spiky-skinned. Animals in this group are known as echinoderms and include sea cucumbers, sea lilies, brittle ...

The crown-of-thorns starfish, native to tropical and subtropical waters, is a marine species found primarily in coral reef ecosystems in the Indo-Pacific region. Named for its spiky, venomous spines ...

Starfish have many legs ... Sea stars are echinoderms–spiny skinned creatures related to sea urchins, sand dollars, and sea cucumbers. They have hundreds of tube feet tipped with suction ...

Did you know that starfish are not really fish? Despite the name, they are more closely related to spiky sea urchins and squishy sea cucumbers. While they may appear docile and floppy stranded on a ...

To reduce the numbers of starfish preying on their beds, oystermen frequently drag frayed ropes over the sea bottom. The spiny skins of the starfish become entangled in the ropes and they are ...