RegionFreshwaterBrackish
Central America
Mexico south through Panama — known for livebearers, Central American cichlids, and some of the hobby's classic river species.
3 species · plants
Other regions in The Americas
Dwarf Baby Tears
PlantHemianthus callitrichoides
The tiniest aquarium plant around, forming a lush carpet close to the substrate.
Floating Crystalwort
PlantRiccia fluitans
A floating liverwort that pearls with oxygen bubbles when truly happy.
Mosquito Fern / Fairy Moss (Azolla caroliniana)
PlantAzolla caroliniana
A fast-spreading floating fern that doubles as a nursery roof for shrimp and fry.