The Natural History of Bodega Head

      Eric photographed this beautiful Opalescent Nudibranch ( Hermissenda opalescens ) wandering through a world of pastel colors on 29 Jan...

    A ribbon of rose-colored embryos!   We were working on a few tasks in the rocky intertidal zone last night (28 January 2025) when Eric c...

    From the " Little wonder " post from ~1 week ago, I think you can tell that we've been looking closely at a couple of nud...

    Camouflage week continues! You might recall that back on 14 July 2024 , I introduced this amazing nudibranch, Corambe pacifica .  I also...

    Well, I need to take a better photo, but here's a quick one for the record.  This looks like Corambe pacifica , a nudibranch I haven...

    We've been busy doing surveys in the field during the low tides recently, but here's an isopod photo from back in February -- a ...

Whew!  We're finishing up field work soon, but after a quick lunch along San Diego Bay today we found a large piece of Giant Kelp ( Macr...

A few weeks ago, I decided to try photographing some bryozoans in the field.  It worked pretty well, and the images were interesting enough ...

I had to do some intertidal field work this afternoon (18 February 2019).  When I finished, I looked around a bit.  I was starting to focus ...

Recently, I was trying to photograph a bryozoan ( Tubulipora sp.) under a microscope...when I noticed a tiny flatworm nestled among the tub...

A few miscellaneous images from our trip to Oregon in late May:   A purple encrusting bryozoan , Disporella separata   P...

  A little ship at sea...recently discovered on a fishing float washed up on a local beach. Perhaps some of you have found similar ...

A few nights ago while doing work in the rocky intertidal zone, we spotted quite a few patches that at first looked like frost:   H...

  Yesterday, 7 March 2016, I encountered this very large light bulb washed up on the beach.  Here's a picture with my foot for ...

Apologies for the delay.  A couple of nights ago, I posted a mystery photo and asked if you recognized the type of animal it was:   T...

  A couple of weeks ago, Jason and Matt mentioned they'd been seeing these nudibranchs at the Spud Point Marina docks.  I've be...

Last September I wrote about a fascinating predator-prey interaction that involved an inducible defense.  The bryozoan responds to being pr...

  Seemed a closeup of a bryozoan colony would be an appropriate image for the 4th of July weekend — the open lophophores, or feeding t...