The defense mechanisms animals use to evade or fight off predators can be both bizarre and fascinating. Some use camouflage ...

The sea cucumber pumps seawater in and out of its anus to aerate respiratory trees in its large intestine. These trees absorb oxygen from the water ...

sea cucumbers and xenophyophores, which often have evolved adaptations such as soft, compressible bodies to withstand the immense pressures. D. camanchaca is a tiny predator, measuring about 1.6 ...

Tunicate Sea Squirts: Starting life with a simple brain-like structure, sea squirts lose it after metamorphosis. They filter-feed, contributing to the health of marine ecosystems. Carpet Sea ...

These sea cucumbers typically grow to about the size of a man’s foot and have leathery, bumpy skin adorned with dark brown speckles, resembling chocolate chips in cookie dough. The animals have a ...