Cyanagraea

Cyanagraea praedator is a species of crab that lives on hydrothermal vents, and the only species in the genus Cyanagraea. It is found at depths of {convert|2535|-|2630|m|abbr=on} on the East Pacific Rise, where it lives `in the upper part of black smoker chimneys`. Its haemocyanin has a strong affinity for oxygen, and displays a significant Bohr.....
Found on http://en.wikipedia.org/wiki/Cyanagraea
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