OTOH, lots of starfish evolved eating things like shellfish, cracking open the clamshell and sucking out the insides.
So... that may change the tone of the metaphor?
At the very least, we must imagine mermaids have exquisite taste in the careful selection of the right sort of starfish.
Burne-Jones, "Depths of the Sea", below. A quick glance at the expression on the mermaid's face confirms this.
It is extraordinary, isn't it?
It's a wee bit erotic/sensual given how much the mermaid *wants* this guy, but also pretty macabre given that he's almost certainly dead.
I keep falling into these pre-Raphaelite paintings and just blanking out the rest of the world, because they're so obviously trying to tell a *story*. I just stand there in awe, wondering what the story is.
I used to sit for *hours* daydreaming about The Lady of Shallot (below). A musicologist I was dating at the time explained to me that it was about the Tennyson poem, and I was *furious* that all the other things I'd imagined collapsed into dust.
(I also once almost stumbled off some stairs when I unexpectedly came upon it in the Wadsworth Athenaeum. There really should have been a warning sign, or something!)
In those days I was completely in love with the pre-Raphaelites.
Well, if you really want to do it yourself, there's always the below from the Wadsworth.
(Sure, it's cheating. But cheating's allowed for fun. It's in the rules.)
https://www.thewadsworth.org/wp-content/uploads/2021/04/Coloring_Hunt.pdf