The Americas
From the Amazon's blackwater basins to Caribbean reefs — the Americas hold the most popular freshwater biotopes and a wealth of Atlantic and Pacific saltwater life.
765 species · freshwater
Sub-regions
Yellowjacket Cichlid
FishParachromis friedrichsthalii
A bold Central American predator that can handle a touch of salt.
Yellow rabbit characin
FishLeporellus vittatus
A bottom-hugging herbivore from South America's major river systems, best kept in groups.
Yellow Tetra
FishHyphessobrycon bifasciatus
A Brazilian tetra with a mysterious golden shimmer that baffles even scientists.
Zamora Woodcat
FishAuchenipterichthys coracoideus
A secretive Amazonian catfish with an unusually intimate approach to reproduction.
Zebra Acara
FishNannacara adoketa
A dwarf cichlid from blackwater forest streams, built for soft acidic conditions.
Zebra Catfish
FishBrachyplatystoma juruense
A boldly banded Amazonian predator that rests on the bottom by day and hunts by night.
Zebra Nerite Snail
InvertNeritina zebra
A tireless algae grazer with bold stripes that earns its keep in any freshwater tank.
Zebra Plec
FishHypancistrus zebra
The boldly striped zebra plec: rare, sought-after, and worth every effort.
Zygatus Cory
FishCorydoras zygatus
A peaceful armored catfish that literally breathes through its gut.