A Catía

What have people found?

Great scallop, green ormer and netted dogwhelk turn up here more than at our other rock pools. Cushion star, spiny starfish and european green crab are the usual finds. ~51 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 A Catía 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 September and October.

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 A Catía?

Species records from iNaturalist

Cushion StarAsterina gibbosa
Spiny StarfishMarthasterias glacialis
European Green CrabCarcinus maenas
Hairy Porcelain CrabPorcellana platycheles
Common Brittle StarOphiothrix fragilis
Atlantic Purple Sea UrchinParacentrotus lividus
Marbled CrabPachygrapsus marmoratus
snakelocks anemoneAnemonia viridis
Atlantic Beadlet AnemoneActinia equina
Rockpool PrawnPalaemon elegans
Green OrmerHaliotis tuberculata
Great ScallopPecten maximus
Netted DogwhelkTritia reticulata
Chondria coerulescensChondria coerulescens
Gem AnemoneBunodactis verrucosa
Scan this rock pool on your next visit.

Every organism named, every visit logged to your journal.