As the senior aquarist of animal health at Birch Aquarium at Scripps Institution of Oceanography, Maddy Tracewell often gets a close-up look at some of the ocean’s most captivating and odd creatures.

Add Yahoo as a preferred source to see more of our stories on Google. a tightly cropped photo of an octopus's golden eye, with a mottled purple and golden tentacle curving around it, in a narrow ...