Anostomus longus
Anostomus longus is small species of freshwater ray-finned fish belonging to the family Anostomidae, the toothed headstanders. It is only known from the upper Amazon of Peru. It has been collected in a slow moving river.
Anostomus longus is small species of freshwater ray-finned fish belonging to the family Anostomidae, the toothed headstanders. It is only known from the upper Amazon of Peru. It has been collected in a slow moving river.