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Cabo Rojo National Wildlife Refuge

Cabo Rojo, Puerto Rico · Puerto Rico

What have people found?

Tropical seashore woodlouse, mudflat fiddler crab and sun anemone turn up here more than at our other rock pools. Caribbean land hermit crab, sally lightfoot crab and west indian top shell are the usual finds. ~35 distinct species have been recorded here. More has been recorded at Playa Steps, 47 kilometers away.

What is the best time to visit today?

Download the app to see the 7-day schedule.

See low tide times at Cabo Rojo National Wildlife Refuge for the next three days
  1. Sun 15 Novin the dark0:420.0 m
  2. Mon 16 Novin the dark0:380.0 m
  3. Tue 17 Novin the dark0:230.0 m9:120.1 m

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 March.

What should you know before visiting?

Parking is about 700 meters away.
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 Cabo Rojo National Wildlife Refuge?

Species records from iNaturalist

Caribbean Land Hermit CrabCoenobita clypeatus
Cerion striatellumCerion striatellum
Sally Lightfoot CrabGrapsus grapsus
West Indian Top ShellCittarium pica
Tropical Seashore WoodlouseLittorophiloscia tropicalis
West Indian Fuzzy ChitonAcanthopleura granulata
Mudflat Fiddler CrabMinuca rapax
Beaded PeriwinkleCenchritis muricatus
sun anemoneStichodactyla helianthus
Bleeding Tooth NeriteNerita peloronta
Checkered NeriteNerita tessellata
Four-toothed NeriteNerita versicolor
Atlantic Ghost CrabOcypode quadrata
Atlantic Rock-boring UrchinEchinometra lucunter
American NipperGeograpsus lividus
Scan this rock pool on your next visit.

Every organism named, every visit logged to your journal.