Don’t let its tiny size fool you this jellyfish packs one of the deadliest venoms in the ocean. In this video, we explore how the fingernail-sized Irukandji jellyfish can cause excruciating pain, ...

Jellyfish can produce offspring both sexually ... for the comblike rows of tiny paddles they use to swim, they tend to be small, delicate, and hard to study. They come in an array of weird body ...