(January 29, 2020 at 4:39 pm)Mister Agenda Wrote: The Sagan thing is very speculative, although the resemblance to a samurai mask is remarkable, the pattern reflects where muscles attach to the shell.
Of course it’s speculative, but it’s also reasonable - a random mutation reinforced via selection. Whatever organisms prey on these crabs, humans are the only ones likely to be deterred by a chance resemblance to a human face.
Boru
‘But it does me no injury for my neighbour to say there are twenty gods or no gods. It neither picks my pocket nor breaks my leg.’ - Thomas Jefferson