How deep can hooded seals dive?

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A crabeater seal (Lobodon carcinophagus) lies on snow-covered ice with its mouth open, surrounded by broken sea ice in East Antarctica. — seal Crabeater seal (*Lobodon carcinophagus*).

The hooded seal (Cystophora cristata) is a highly capable diver, capable of reaching depths of over 1,000 metres (3,000 feet) and remaining submerged for nearly an hour.1