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Photo Essay
Under Antarctic Ice
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 ©2003 Norbert Wu/

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At Little Razorback Island, our dive team explored passageways of ice that had been formed by pressure ridges. Seals used the passageways to move from breathing hole to breathing hole. These "living rooms" became spaces filled with invertebrate life below. Huge numbers of seastars (here Odontaster validus) and a notothenioid fish (Trematomus bernachii) have gathered under a breathing hole to feed on seal feces.

--Norbert Wu