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Roca Gissler

Puntarenas · Costa Rica

What have people found?

Cocos island land crab, pronghorn spiny lobster and green spiny lobster turn up here more than at our other tide pools. Spotted linckia, sally lightfoot crab and needle sea urchin are the usual finds. ~43 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 Roca Gissler for the next three days
  1. Sun, Nov 15~12:30 PM
  2. Mon, Nov 16in the dark~12:30 AM~1:00 PM
  3. Tue, Nov 17in the dark~1:30 AM~2:00 PM

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 July.

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. Tide pool safety
A tide pool is a fragile place. Look and photograph, take nothing. The tidepooling code

What lives at Roca Gissler?

Species records from iNaturalist

Leiaster coriaceusLeiaster coriaceus
Spotted LinckiaLinckia multifora
Sally Lightfoot CrabGrapsus grapsus
Needle Sea UrchinDiadema mexicanum
Pronghorn Spiny LobsterPanulirus penicillatus
Cocos Island Land CrabJohngarthia cocoensis
Green Spiny LobsterPanulirus gracilis
Blue Sea StarPhataria unifascialis
Gardineroseris planulataGardineroseris planulata
Ecuadorian Hermit CrabCoenobita compressus
Rough-ribbed NeriteNerita scabricosta
Sea EggTripneustes depressus
Coral Snapping ShrimpAlpheus lottini
Squat Anemone ShrimpThor amboinensis
Giant False LimpetSiphonaria gigas
Scan this tide pool on your next visit.

Every organism named, every visit logged to your journal.