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 ...

Barrel jellyfish have large, mushroom-shaped bells with frilly edges, eight large frilly arms, and small tentacles. Despite their large size, however, barrel jellyfish feed on tiny plankton using ...

Clinging jellyfish are small jellyfish that usually measure about one inch, according to New Jersey’s Department of Environmental Protection. They are typically found in bays and estuaries, the ...

Aide Macias-Muñoz, a professor of ecology and evolutionary biology, is exploring how eyes and light detection evolved using genetic tools. Her lab has just completed a high-quality genome sequence of ...

Clinging jellyfish, or Gonionemus vertens, are small -- roughly the diameter of a quarter. Yet, they have one of the most powerful stings of New Jersey's common jellyfish.

They are so small their stingers cannot pierce human skin. While some people report itching or redness after contact with the jellyfish, most feel no effect , according to the Department of ...