They rely on tube feet for movement. The world's slowest animals don't exactly speed up in the water. Sea sponges are technically sessile animals, meaning they are permanently attached to a ...

Sessile adult animals that utilize passive dispersal include marine invertebrates like sponges and corals. Their disseminules are typically specialized buds or cells used in reproduction.

In the video above Dr Ana Riesgo Gil and Dr Sergio Taboada Moreno, researchers at the Museum, discuss the odd relationship of these two deep-sea animals. Sponges are sessile animals within the phylum ...