Diario de nelson_wisnik

On a windless night, in shallow, clear and still water, it was possible to observe the underwater trajectory of a specimen of Paxyodon syrmatophorus through the track it left in the sand when moving.

This event was recorded in

https://www.inaturalist.org/observations/64552865

Other specimen nearby was moving also, as shown in the following photos

This observation was made in the Amazon region, on the right bank of the Tapajós River, in a place called Jutuba