One fine spring day in November in northern New Zealand I descended into a salp soup at the Poor Knights Islands. Salp populations had exploded with the abundance of plant plankton food. This is what I found.
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The alien invasion doesn't last long and as quickly as they appeared the salps can be swept away by ocean forces. Before you know it you're missing those crazy plankton hoovering vacuum cleaners and their jaunty jet-propelled motion. Careful... you might develop an appetite for the wonders of our weird wild ocean.