Chlorocruorin is really confusingly named. I was trying and failing to find the chlorine in it and was wondering if I was just dumb or blind or what.
khloros is Greek for "green". That's also where chlorine gets its name. So they're only related etymologically.
Interesting tidbit: from left to right, these are ordered by the efficiency of the oxygen transportation, highest to lowest.
Blue blood may be cool, but red blood is better for you.
I guess I could google it but for the sake of the comment section is that from highest to lowest or the other way around?
Oh neat, now I know Penis Worms have purple blood. And that Penis Worms exist.
My exact thoughts. Penis worm? Time to look up how to actively avoid getting any penis worms.
Amazing that Vulcans aren’t mentioned on this list. And on a more serious note: humanoids with green blood are apparently not that impossible!