The main difference is a protective barrier that lets them breathe underwater, the ena, a scalelike layer on their skin that absorbs and holds moisture — but has to be regularly soaked in sea water or it. Newsletters The main difference is a protective barrier that lets them breathe underwater, the ena, a scalelike layer on their skin that absorbs and holds moisture — but has to be regularly soaked in sea water or it. Eventi Podcasts Video Africanews
The main difference is a protective barrier that lets them breathe underwater, the ena, a scalelike layer on their skin that absorbs and holds moisture — but has to be regularly soaked in sea water or it.
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Le notizie del giorno | 23 febbraio 2026 - Pomeridiane

The main difference is a protective barrier that lets them breathe underwater, the ena, a scalelike layer on their skin that absorbs and holds moisture — but has to be regularly soaked in sea water or it.

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