When farmed, these tiny animals reach a marketable size of 12 centimetres in three to four years.
Using this item
NIWA – National Institute of Water and Atmospheric Research
Photograph by Alan Blacklock
This item has been provided for private study purposes (such as school projects, family and local history research) and any published reproduction (print or electronic) may infringe copyright law. It is the responsibility of the user of any material to obtain clearance from the copyright holder.