My first thought (following a passing glimpse) was, "embroidery". Followed, I'm sorry to say, by "mmmm, ravioli!" (In my defence, I missed breakfast this morning!) But no, they are newly hatched baby stingrays, and rather lovely babies they are too.
You're next, Grant :)
** and apologies for the hiatus. With a lot having happened at home it's been hard to get back into thinking about serious blogging.