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Piedras Pintas

Guaymas, Sonora · Mexico

What have people found?

Prince cone, wavy turban and las cruces aeolid turn up here more than at our other rock pools. Central american rock-boring urchin, rough-ribbed nerite and solander's trivia are the usual finds. ~80 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 Piedras Pintas for the next three days
  1. Sun 15 Novin the dark~21:00
  2. Mon 16 Novin the dark~22:00
  3. Tue 17 Novin the dark~23:00

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 October and November.

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 Piedras Pintas?

Species records from iNaturalist

Central American Rock-boring UrchinEchinometra vanbrunti
Rough-ribbed NeriteNerita scabricosta
Solander's TriviaPusula solandri
Brown Sea CucumberIsostichopus fuscus
Gulf Sun StarHeliaster kubiniji
Chocolate Chip Sea StarNidorellia armata
wavy turbanTurbo fluctuosus
Blue-eyed Spotted Hermit CrabClibanarius digueti
Las Cruces AeolidPhidiana lascrucensis
Sea EggTripneustes depressus
Prince ConeConus princeps
Echinolittorina asperaEchinolittorina aspera
Cortez Sea AnemoneBunodosoma californicum
Indo-Pacific Man-O-WarPhysalia utriculus
California SeahareAplysia californica
Scan this rock pool on your next visit.

Every organism named, every visit logged to your journal.