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Nautilus Release in American Samoa

February 27, 2013

On Saturday, National Park of American Samoa and the National Marine Sanctuary of American Samoa divers assisted Nautilus researcher Dr. Peter Ward from the University of Washington in a release exercise within the national park, out from the village of Amalau. Researchers are investigating population density and species composition surrounding the waters of Tutuila Island.

A nautilus is an ancient type of mollusk with a hard, spiraled external shell. Known as a living fossil, the nautilus is found in deep waters about 1,200 feet down.

their eye structure is highly developed but lacks a solid lens.

their eye structure is highly developed but lacks a solid lens.

Nautiluses typically have more tentacles than other cephalopods, up to ninety.

Nautiluses typically have more tentacles than other cephalopods, up to ninety.

Nautiluses usually inhabit depths of several hundred metres.

Nautiluses usually inhabit depths of several hundred metres.

To swim, the nautilus draws water into and out of the living chamber with its hyponome, which uses jet propulsion.

To swim, the nautilus draws water into and out of the living chamber with its hyponome, which uses jet propulsion.

Researcher snaps a profile of the Nautilus.

Researcher snaps a profile of the Nautilus.

Nautilus, in its natural habitat.

Nautilus, in its natural habitat.

Researchers observes the Nautilus.

Researchers observes the Nautilus.

4 Comments leave one →
  1. Gale Clarke permalink
    February 27, 2013 9:34 am

    where in American Samoa is this village Amalau?

    • American Samoa Ranger permalink*
      February 28, 2013 3:58 pm

      Amalau is near Vatia village

  2. Hawaii's Big Island Travel Guru permalink
    February 27, 2013 12:11 pm

    Spectacular photos of these beautiful nautilus mollusks. Our world is so full of fascinating species ~ thank you for sharing information on this unusual one!

    • American Samoa Ranger permalink*
      February 28, 2013 9:24 am

      Absolutely! Glad you liked our posts. Come and explore American Samoa and include this place in your bucket list of places to visit.

      LIKE us on our FB webpage so you get to learn other fascinating facts about the place and our national park.

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