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Os Castros de Nerga

Vigo, Galicia · Spain

What have people found?

Jewel anemone, cantabrian nudibranch and brown tuning-fork weed turn up here more than at our other rock pools. Common octopus, spiny starfish and atlantic purple sea urchin are the usual finds. ~91 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 Os Castros de Nerga for the next three days
  1. Sun 15 Novin the dark~1:00~13:30
  2. Mon 16 Novin the dark~1:30~14:30
  3. Tue 17 Novin the dark~2:30~15:30

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 March and November.

What should you know before visiting?

Parking is about 800 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 Os Castros de Nerga?

Species records from iNaturalist

Common OctopusOctopus vulgaris
Felimare villafrancaFelimare villafranca
Spiny StarfishMarthasterias glacialis
Atlantic Purple Sea UrchinParacentrotus lividus
brown tuning-fork weedBifurcaria bifurcata
snakelocks anemoneAnemonia viridis
Atlantic Beadlet AnemoneActinia equina
European Common CuttlefishSepia officinalis
Velvet Swimming CrabNecora puber
Jewel AnemoneCorynactis viridis
Dwarf Brittle StarAmphipholis squamata
Strawberry AnemoneActinia fragacea
Hairy Porcelain CrabPorcellana platycheles
Common Hermit CrabPagurus bernhardus
Cantabrian NudibranchFelimare cantabrica
Scan this rock pool on your next visit.

Every organism named, every visit logged to your journal.