TIDES- monthly, throughout New Zealand.  http://www.metservice.com/marine-surf/tides/index  

MOON calendar.  https://www.timeanddate.com/calendar/?country=30   

The SANDCUT WORM  Agrotis innominata Hudson (George Hudson, 1898)  https://en.wikipedia.org/wiki/Agrotis_innominata 

SAND SCARAB  Pericoptus truncatus  https://en.wikipedia.org/wiki/Pericoptus_truncatus

SAND SCARAB  Pericoptus punctatus – the smaller sand scarab to Pericoptus punctatus https://en.wikipedia.org/wiki/Pericoptus_punctatus 

Sea conditions at Waimairi Surf Life Saving Club, just down the road from South Brighton, in Pegasus Bay, Christchurch New Zealand.     http://www.waimairisurf.org.nz/webcam 

A how-to-collect & test for ‘glow’ of a common worldwide collembola, anurida granaria, that are bioluminescent & live in your garden. 

 http://www.instructables.com/id/Collecting-Anurida-Granaria-Collembola-Testing-for/  

Andy Murray’s ‘The Wonderful World of Soil Mesofauna’ incredible & very beautiful photography of the very tiny critters that live at ground level around the world.  https://www.chaosofdelight.org/