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Welcome to the May edition of the Marine Metre Squared newsletter. 

What is on your shore?


As the seasons change different animals appear on the shore.   We have been finding triplefin eggs under the rocks, and female crabs carrying eggs. 

     Triplefin eggs on the underside of a rock.                          A male triplefin guarding the eggs.

Now is a good time to carry out another Mm2 survey and record what YOU find on your local shore. 
You can find the how-to guides and data forms on the Mm2 website:




At this time of year we often receive reports about dead or dying octopus on the shore.

To find out why this might be, check out this video: 

Life of Octopi  



World Oceans Day - 8th June

How could you celebrate World Oceans Day this year?
Why not Adopt a Coast with volunteer organization Our Seas Our Future (OSOF). By ‘adopting’ a part of your favourite beach, you become responsible for keeping it clean and monitoring the seashore on a regular basis.

In Auckland OSOF can make your first trip to your coast easier by providing a class set of equipment, identification guide books, and expert volunteer assistance to run the event and share their knowledge about the marine environment. During your visit to your chosen beach, a small scale clean-up takes place where you collect trash along the coast, followed by monitoring the seashore using Marine Metre Squared (Mm2) to find out what plants and animals are living in the intertidal zone of the beach.

Contact Auckland Regional Coordinator Rhian Ingley at or see for more details.

In Dunedin OSOF are organising a coastal clean up on Saturday 6th June, meeting at St Kilda's Surf Lifesaving Club at 12 noon.  See the OSOF event website for details.

Seashore Resources


The New Zealand Marine Studies Centre produces a range of resources to help you identify the animals and plants found between the tides on New Zealand's shores. 

We have just updated our ID guides and new stocks have been ordered. Check out the resources on the website.

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