AMAZONAS
Prochilodus lineatus is a
large tetra that occurs
in large swarms in the
southern Pantanal.An angler must be
quick—the caimans
here have learned
how to snag a meal.The small Uruguay Tetra, Cheirodon interruptus,
and other fishes graze the growth from the rocks.Ancistrus sp. during a night dive in the Rio Formoso.
The water was cold—64.4°F (18°C).Long-armed shrimp (Macrobrachium sp.)