1989 September 54. Jellyfish and their plankton prey concentrate along invisible water boundaries. Temperate Atlantic Ocean, offshore Cape Hatteras. Physonect siphonophore is actually a chain of colonial hydroids. Temperate Atlantic Ocean, offshore Cape Hatteras.
Jellyfish come in many forms, many too fragile to capture in nets.
Temperate Atlantic Ocean, offshore Cape Hatteras. Some jellyfish pulsate to propel themselves through the water. Temperate Atlantic Ocean, offshore Cape Hatteras. Cyanea jellyfish are common on the New England coast in summer. Temperate Atlantic Ocean, southern New England.