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Hawaii News | Ocean Watch

Breathing gets bubbly while crabs are on land

  • COURTESY SUSAN SCOTT

    A reader spotted this rock crab, or aama, blowing bubbles at Maunalua Bay.

Crabs that spend part of their lives in the water, and part out, can blow bubbles. This foaming-at-the-mouth might look like the crab is in distress, and sometimes it is, but in healthy crabs, mouth bubbling comes from the crab breathing air instead of water. Read more

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