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Gwarume-Mase

Port Moresby District, Central · Papua New Guinea

What have people found?

Emperor shrimp, chocolate chip sea star and graeffe's sea cucumber are the usual finds. ~46 distinct species have been recorded here.

What is the best time to visit today?

Download the app to see the 7-day schedule.

See low tide times at Gwarume-Mase for the next three days
  1. Mon 16 Novin the dark~0:30in the dark~0:00
  2. Tue 17 Nov~9:00in the dark~0:00
  3. Wed 18 Nov~10:30in the dark~0:00

Every low tide each day, in local time at the shore.

Plan the week in Intertidal
  • A tide chart for every day, with the best window marked
  • Identify what you find from a photo
  • An alert when a good daylight low is coming

When do people visit?

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Most observations come from January and September.

What should you know before visiting?

Arrive 45 minutes to an hour before low tide and leave as it turns. The water comes back faster than it left.
Grippy shoes beat sandals. Wet rock and algae are more slippery than they look. Rock pool safety
A rock pool is a fragile place. Look and photograph, take nothing. The rockpooling code

What lives at Gwarume-Mase?

Species records from iNaturalist

Emperor ShrimpZenopontonia rex
Chocolate Chip Sea StarProtoreaster nodosus
Graeffe's Sea CucumberPearsonothuria graeffei
Snake Sea CucumberSynapta maculata
Spotted LinckiaLinckia multifora
Granulated Sea StarChoriaster granulatus
Amberfish Sea CucumberThelenota anax
Golden Sea SquirtPolycarpa aurata
Holthuis' Anemone ShrimpAncylomenes holthuisi
Pillow Cushion StarCulcita novaeguineae
Phyllidiella nigraPhyllidiella nigra
Small Giant ClamTridacna maxima
Blue LinckiaLinckia laevigata
Ctenactis crassaCtenactis crassa
Leptoseris explanataLeptoseris explanata
Scan this rock pool on your next visit.

Every organism named, every visit logged to your journal.