On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

tan1116 - pencil urchin

Also very common along the western Chatham Rise are urchins called ‘pencil urchins’ or Cidaridae. Here a species called Goniocidaris parasol. Happily, we have our resident urchin expert Owen Anderson on board! Credit: Rob Stewart/NIWA