The Natural History of Bodega Head

    I've been working on some photo organization, but here's a little Orange Cup Coral for you  —   Balanophyllia elegans , photogra...

    Moonglow Anemone ( Anthopleura artemisia ) 

    We were doing some field surveys this morning (2 April 2025) along the rocky shore when Eric noticed these unusual compacted packets of ...

      Happy solstice, everyone! P.S.  From a Ten-tentacled Sea Anemone ( Halcampa decemtentaculata ) photographed recently by Eric along th...

    Eric photographed this gorgeous Moonglow Anemone ( Anthopleura artemisia ) at Point Reyes last week.  Seemed like an appropriate photo t...

    A beautiful Sunburst Anemone ( Anthopleura sola ) photographed by Eric on 19 January 2024.

    Every now and then we encounter a really bright green Sunburst Anemone ( Anthopleura sola ).     P.S.  Are you kidding me, Celtics?  Bac...

  One year later (see the post from 28 December 2021 ) and we're continuing to document examples of color and pattern variations in the...

    Last week Eric had good luck finding Ten-tentacled Anemones ( Halcampa decemtentaculata ) with interesting color patterns.  [You can cli...

    Moonglow Anemone ( Anthopleura artemisia ), photographed on 14 June 2022

    Meet Lisbeth's Brooding Sea Anemone ( Epiactis lisbethae ).  This is the first time I've encountered one in Sonoma County (or an...

    We often see Shag-Rug Nudibranchs ( Aeolidia loui ) eating Aggregating Sea Anemones (A nthopleura elegantissima ), but I haven't obs...

    We've been busy lately, but here's a quick shot of a beautiful Moonglow Anemone ( Anthopleura artemisia ) from today, 28 March 2...

    Whew, it's hard to believe another 12 months have gone by.  Here are a couple of 12-tentacled sea anemones to help welcome 2022.    ...

    You might recall the Ten-tentacled Sea Anemones ( Halcampa decemtentaculata ) that we introduced in late November .  We are intrigued by...

Sola green (tentacles of the Sunburst Anemone, Anthopleura sola ):       Sculpin green:         Siphon green (clam siphon):      

Okay, last night I shared a couple of photos of Ten-tentacled Sea Anemones ( Halcampa decemtentaculata ).  There's lots to be intrigued...

  During the last few low tide series, we've been busy doing surveys and haven't had much time to look around in the tidepools, but ...

    A quick photo from the local tidepools tonight (17 November 2021) — a wonderful sea anemone, Aulactinia incubans , ~1 cm across.

    Moonglow Anemone ( Anthopleura artemisia ) photographed in a tidepool on 29 May 2021. And a slightly closer view, too, so you can apprec...