Tank for the Memories 3
July 27, 2018
As I’ve said before: ah, what you learn putting together a blog post. Click on this image to see it larger, and you will notice more detail on these squiggly lines. Guessing these could be the tracks of snails that feed on algae, that’s what I Googled. Here’s what I found: http://www.flickriver.com/groups/radula_tracks/pool/ and https://en.wikipedia.org/wiki/Radula. The Wikipedia page says that the squiggly lines are made by the snail’s radula, “an anatomical structure that is used by mollusks for feeding, sometimes compared to a tongue.” The tracks are visible in the two previous posts, too, but not as clearly.
Romancing Reality 
You are such a botanist/scientist as well as a photographer! Thanks for doing the research.
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July 27, 2018 at 8:15 AM
I don’t think I noticed the squiggly lines within the larger squiggly lines until I downloaded. Then I had to figure out what was going on. One lucky guess led to the rest. Glad you enjoyed the post, Clare.
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July 27, 2018 at 3:42 PM
I love the simplicity of this, Linda. Nice work.
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July 27, 2018 at 1:22 PM
Thank you, Ken. As you probably know, it’s hard to get to simple and interesting at the same time.
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July 27, 2018 at 3:43 PM
Oh, I love that Flickr group!! What an interesting batch of images there. Good thing you came up with the right idea to google. I’ve photographed these on greenhouse windows – that’s a good place to look for them, as long as it’s in a corner they can’t reach well to clean. 🙂
What I admire about this photograph is the way the light is handled – it’s so subtle, but there really is a significant difference as you move your eyes around the frame. You’re right, it can be hard to make simple look interesting. You’re a pro at it. (And so is Ken!)
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July 28, 2018 at 3:35 PM
Thank you. You forgot to name yourself, though, Lynn. I wonder if the algae-feasting snails are nocturnal. Have you ever seen them?
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July 28, 2018 at 3:38 PM
I haven’t really thought about that, but surely I’ve seen snails leaving trails… 🙂
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July 30, 2018 at 12:45 PM
I see snail trails in the mud along the river, and I never see the snails themselves, so my guess is that those snails, at least, are nocturnal.
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July 30, 2018 at 5:27 PM
I just looked at the radula entry on wikipedia, and there’s a photo of the trails at a greenhouse! 🙂 I like the diagram that shows the cutaway of how that thing works. Thanks, I learned a new word today….but chances are not good that I’ll remember it. )-:
We learned the word tombolo recently and we are trying to repeat it a lot, to “set” it. It’s a land form, a mounded “island” connected to the mainland by a thin isthmus, which is the situation across the bay here, at a preserve on a reservation. But our memories are so poor, I just realized we already are mispronouncing it, thinking it was tomolo, leaving out the “b.” God knows what a mess I could make of radula, given a week or two. 🙂
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July 28, 2018 at 3:45 PM
Here is how I comfort myself about not being able to remember new words the way I used to (especially not French or German new words!): “Oh, I’m sure I will remember the meaning if I come across the word again.” This may be misplaced optimism, I’m sure.
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July 28, 2018 at 3:48 PM