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.
1,013 species
Sub-regions
Ecuadorian Tetra
FishHyphessobrycon ecuadoriensis
A peaceful Ecuadorian tetra from shaded forest pools, rarely seen in the trade.
Eight-ray Fingercoral
CoralMadracis formosa
A Caribbean finger coral with a distinctive eight-septum pattern and green coloration.
Electric Eel
FishElectrophorus electricus
Part knifefish, part power station. This living legend can shock harder than a wall outlet.
Elegant Cory
FishCorydoras elegans
The cory that ditches the bottom and schools in open water.
Elizabeth's Dwarf Cichlid
FishApistogramma elizabethae
A tiny Amazonian cichlid with bold markings and fascinating cave-spawning behavior.
Elkhorn Coral
CoralAcropora palmata
A Caribbean reef giant with thick, branching arms built to take a pounding.
Elongate Zoanthid
CoralEpizoanthus leptoderma
A cool-water Pacific zoanthid suited for the patient, detail-oriented reef keeper.
Ember Tetra
FishHyphessobrycon amandae
Tiny, flame-colored schooler that glows in a planted tank.
Emerald Cory
FishBrochis splendens
A chunky, armored schooler that breathes air and gets along with everyone.
Emerald Cory
FishCorydoras splendens
A larger, iridescent cory that schooled under a different genus name for decades.
Emerald Crab
InvertMithraculus sculptus
The reef keeper's secret weapon against bubble algae outbreaks.
Emperor Tetra
FishNematobrycon palmeri
A hardy, community-friendly tetra with an unmistakable blue-eyed gaze.
Encrusting Gorgonian
CoralErythropodium caribaeorum
A soft, velvety Caribbean encruster that's surprisingly forgiving for new reef keepers.
Encrusting Star Coral
CoralCoenocyathus bowersi
A solitary Eastern Pacific cup coral found from shallow reefs to surprising depths.
Endler's Livebearer
FishPoecilia wingei
Jewel-bright nano livebearer that breeds almost faster than you can plan for it.
Eyed Coral
CoralOculina diffusa
A compact Caribbean branching coral that thrives under low light conditions.
False Bandit Cory
FishCorydoras melini
A boldly marked little catfish with a centuries-long lifespan hiding in a two-inch body.
False Corydoras
FishAspidoras pauciradiatus
Tiny Brazilian catfish with a Corydoras personality packed into a one-inch body.
False Corydoras Blochi
FishCorydoras delphax
A long-lived armored catfish that breathes air and occasionally blinks at you.
False Jaguar Cat
FishLiosomadoras morrowi
A secretive Peruvian catfish with a nocturnal appetite for its smaller tankmates.
False Network Cory
FishCorydoras sodalis
A long-lived little catfish that genuinely needs the company of its own kind.
False Rummy Nose Tetra
FishPetitella georgiae
The rummy-nose lookalike that rewards those who learn to tell it apart.
False X-ray Tetra
FishHyphessobrycon simulatus
A rarely seen French Guiana tetra that rewards patient hobbyists with graceful schooling behavior.
Fantail Filefish
FishPervagor spilosoma
A boldly patterned Hawaiian filefish with a vivid orange tail that demands attention.
Fat Oscar
FishAstronotus crassipinnis
A bold, intelligent cichlid that knows your face and owns its territory.
Fat Sleeper, God-a-me
FishDormitator maculatus
A bruiser from the brackish margins, built tough and not shy about it.
Featherfin Tetra
FishHemigrammus unilineatus
A peaceful shoaler from South America that rewards patient keepers with easy breeding.
Fernández-yépez's Freshwater Stingray
FishPotamotrygon yepezi
A venomous freshwater ray from a single lake basin, rarely seen in its true form.
Firemouth Cichlid
FishThorichthys meeki
The cichlid that turns its fiery throat into a threat display.
Firewood Catfish
FishSorubimichthys planiceps
A massive Amazonian predator that demands serious space and serious commitment.
Flag Acara
FishLaetacara curviceps
A shy, peaceful dwarf cichlid that earns its 'smiling' nickname with gentle charm.
Flag Cichlid
FishMesonauta festivus
A gentle South American cichlid with a bold diagonal stripe and surprising breeding devotion.
Flag Cichlid
FishMesonauta guyanae
A gentle Amazonian cichlid that brings calm elegance to the community tank.
Flag Cichlid
FishMesonauta insignis
A shy Amazonian cichlid often hiding behind its more famous cousin's name.
Flagellate False Plexaura
CoralPseudoplexaura flagellosa
A tall, branching sea rod that brings authentic Caribbean reef structure to your tank.
Flagtail Catfish
FishDianema urostriatum
A peaceful shoaling catfish that actually uses the midwater column