Giant Green Anemones (Anthopleura xanthogrammica) surrounded by Pacific Purple Sea Urchins (Strongylocentrotus purpuratus) and Gooseneck barnacles (Pollicipes polymerus)
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Tide Pool
taken at Laguna Beach, California
This tiny pool was maybe 4 or 5 inches deep but full of a variety of species! Its a great example of how diverse tide pools can be. If you look in the upper left there's a crab molt, to the right and bottom there's several California Mussels, just above the mussels on the left is a clam, and there's even a neat limpet in the mix!
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New (to me!) Species
I recently observed a new-to-me species in the intertidal!
It's the barnacle eating dorid, scientific name Onchidoris bilamellata, a species of nudibranch that can gather in large groups to lay eggs.
On the left is a photo of some of the eggs and on the right is a photo of one of the groups of these slugs I found (also shout out to the Leptasterias sea star chilling next to them - we found a lot of sea stars under the same rocks as these nudibranchs).
I first noticed the eggs on a low tide earlier last week, and then on Friday I went tide pooling with some grad students from WSU for the -2.4' tide. As we scrabbled around the intertidal in the dark, we carefully turned over some rocks and found several different breeding groups like the one above. I thought it was interesting that almost every rock underside with these breeding groups of nudibranchs also had one or more Leptasterias sea stars. After observing and taking some quick pictures, we always made sure to gently place the rocks back how they'd started so the animals could stay moist and protected until the tide came in.
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I might not be super active today as I am going tide pooling all day. I can’t wait to share the photos of what I find though!
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jon sims the type of kid to lift up rocks at the beach to see the Creatures. went to the beach specifically to take a gander at a crab or two. perhaps get some fish into a castle shaped bucket
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Commission for @a-e-redacted's fanfic, Moonshadow!
It's a fantastic fic, go check it out!
(Also huge thanks to a-e-redacted for their incredible patience; this piece took months but they were kind and understanding all the way through)
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I took an online seaweed class recently and THIS seaweed was definitely not covered in the class so I was suprised to see it! I don't think I've ever seen this species washed up on the beach before. I looked it up in iNaturalist and it's called Dead Man's Fingers (Codium fragile). The texture was so fun and interesting and the "blades" of the seaweed held onto a ton of water despite finding it laying out in the sun to dry
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A mottled sea star exposed at low tide
May 27, 2023
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Pacific Purple Sea Urchin (Strongylocentrotus purpuratus)
taken in Crescent Bay in California
status: not evaluated
These spiny creatures live along the Pacific coast from Baja California up to Vancouver Island and can often be found in hoards like this.
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Bushrangers Bay, Victoria, Australia
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