An upside-down jellyfish drifts in a shallow lagoon, rhythmically contracting its translucent bell. By night that beat drops from roughly 36 pulses a minute to nearer 30, and the animal slips into a ...
A large swarm of jellyfish seen in the waters along the Haifa port.Dudu Gabrieli The unusually large swarms of jellyfish along Israel’s northern border currently can be problematic but are not an ...