Adrian Posted July 8, 2020 Share Posted July 8, 2020 This its the discarded bone (internal shell) of the Common Cuttlefish: (Sepia officinalis) found on a beach at the weekend. Not sure if there is any biological significance in the fluorescence, but quite pretty! Technical details: UVF: Nikon D850 with 105mm micro Nikkor, 10 seconds @f/22. Light painted with Convoy S2+ UV torch Link to comment
colinbm Posted July 8, 2020 Share Posted July 8, 2020 There's something different.... Link to comment
Andy Perrin Posted July 8, 2020 Share Posted July 8, 2020 Interesting! You don't see that every day. Link to comment
Andrea B. Posted July 13, 2020 Share Posted July 13, 2020 Adrian, another fascinating topic. (This is why I love UVP!!) I had to go read up about Cuttlefish. And I must say, a Cuttlefish is quite an interesting creature. It has blue-green blood, 3 hearts, sleep cycles and 12-14 color patterns which are used for communication as well as camouflage. The cuttlebone is made of aragonite.Cuttlefish also have one of the largest brain-to-body size ratios of all invertebrates. So they are thought to be amongst the most intelligent of the invertebrates. Link to comment
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