Скачать или смотреть Bizarre hingemouth fish can extend its mouth to make a kind of trunk

A fish found only in West African rivers and forest pools can stick out a trunk-like snout to suck up food or breathe air like a snorkel.

The hingemouth (Phractolaemus ansorgii) has what biologists call a deployable proboscis, a tubular structure folded into its head that can extend upward or downward. The lips of the proboscis are lined with tooth-like structures made out of keratin, which the fish uses to scrape up algae or other detritus.

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