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Bi'murr

Humboldt County, California · United States

What have people found?

Stiff-footed sea cucumber, rough keyhole limpet and sea palm turn up here more than at our other rock pools. Ochre sea star, striped shore crab and giant green anemone are the usual finds. ~53 distinct species have been recorded here, across at least 2 years of observations.

What is the best time to visit today?

Download the app to see the 7-day schedule.

See low tide times at Bi'murr for the next three days
  1. Sun 15 Nov9:011.2 min the dark21:590.2 m
  2. Mon 16 Nov10:151.2 min the dark22:500.2 m
  3. Tue 17 Nov11:341.1 min the dark23:410.3 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 March and August.

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 Bi'murr?

Species records from iNaturalist

Ochre Sea StarPisaster ochraceus
Striped Shore CrabPachygrapsus crassipes
Giant Green AnemoneAnthopleura xanthogrammica
Gooseneck BarnaclePollicipes polymerus
California MusselMytilus californianus
Sea PalmPostelsia palmiformis
Black Leather ChitonKatharina tunicata
Pacific Purple Sea UrchinStrongylocentrotus purpuratus
Dungeness CrabMetacarcinus magister
By-the-wind SailorVelella velella
Stiff-footed sea cucumberEupentacta quinquesemita
Pacific Acorn BarnacleBalanus glandula
Rough Keyhole LimpetDiodora aspera
Fingered LimpetLottia digitalis
Feather Boa KelpEgregia menziesii
Scan this rock pool on your next visit.

Every organism named, every visit logged to your journal.