Sarah McAnulty is Philly's squid whisperer. Why it matters: If you've seen her guerilla art — hundreds if not thousands of rainbow-colored Caribbean reef squids stickers she's slapped on light p ...

In its heyday, the reef was also home to a bizarre menagerie of other marine life. Large tentacled cephalopods, ancestors of the squid and nautilus, scarfed up trilobites. Crinoids, delicate ...