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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
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