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Cold-Water Sea Spider

Many Antarctic creatures, like the dinner-plate-sized sea spiders, have evolved to a gigantic size to cope with the extreme environment.
© John Weller
Small amphipods, the blue bug-like creatures, can be seen here catching a ride on this enormous sea spider as it makes its way across the bottom. Many Antarctic creatures, like the dinner-plate-sized sea spiders, have evolved to a gigantic size to cope with the extreme environment. Sea spiders in temperate waters are rarely bigger than a quarter.
Tags: Antarctic