![Close-up of Evechinus chloroticus, New Zealand kina, spikes.](http://static.sciencelearn.org.nz/images/images/000/000/594/full/Close-up-kina20151209-28020-1udzy3m.jpg?1674164586)
A close-up of the spikes of Evechinus chloroticus, the New Zealand kina. The sound the kina makes has been extensively studied at the Leigh Marine Laboratory.
A close-up of the spikes of Evechinus chloroticus, the New Zealand kina. The sound the kina makes has been extensively studied at the Leigh Marine Laboratory.