One Speedy Snail

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Posted by Merry on November 05, 2016 at 13:47:19:

From our trip to Anilao, Philippines, three years ago.

I believe this is the articulate harp snail, Harpa articularis. At the time, I didn't think the images were good enough to post, but in retrospect, this snail's behavior is remarkable...for a snail.

I found this innocent-looking, 4-inch snail during a night dive by the pier north of Club Ocellaris. I casually took one shot, but before I could take a look in the monitor, the snail sprang, yes, sprang onto a clump of debris, stirring up a cloud of sand and silt. Whoa, I didn't expect this kind of swift, predatory action from a snail. All I could do was shoot off two more frames in succession, as a cloud of silt enveloped both of us.

This nocturnal snail feeds on crabs, so a well-concealed crab must have been the target.

 photo Harpa articularis 2 DSC_8120_zpsgvtejnkb.jpg

 photo Harpa articularis 2 DSC_8121_zpsamgjd5pw.jpg

 photo Harpa articularis 2 DSC_8122_zps2rqouqqn.jpg

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