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Argonauts

4/11/2015

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Imagen
Photo: Shigeru Harazaki
The argonauts (genus Argonauta, the only extant genus in the Argonautidae family) are a group of pelagic octopuses. They are also called paper nautiluses, referring to the paper-thin eggcase that females secrete. This structure lacks the gas-filled chambers present in chambered nautilus shells and is not a true cephalopod shell, but rather an evolutionary innovation unique to the genus Argonauta.

Argonauts are found in tropical and subtropical waters worldwide; they live in the open ocean.

Source: en.wikipedia.org

Los argonautas (género Argonauta, el único género existente en la familia Argonautica) son un grupo de pulpos pelágicos. También se les llama nautiluses de papel, en referencia a la concha fina como el papel que las hembras secretan. Esta estructura carece de las cámaras presentes en la concha de los nautilos llenas de gas y no es una concha verdadera de cefalópodo, sino más bien una innovación evolutiva única del género Argonauta.

Los argonautas se encuentran en aguas tropicales y subtropicales de todo el mundo; y viven en el océano abierto.

Fuente: en.wikipedia.org
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