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.
816 species · fish
Sub-regions
Flagtail Catfish
FishDianema urostriatum
A peaceful shoaling catfish that actually uses the midwater column
Flag Tailed Panda Cory
FishCorydoras oiapoquensis
A tiny armored catfish from a single river system, surprisingly long-lived.
Flameback Angelfish
FishCentropyge aurantonotus
A compact Atlantic dwarf angel with a bold orange back and reef-friendly size.
Flame Tetra
FishHyphessobrycon flammeus
A fiery Rio native that glows brightest when kept in a proper group.
Flatwhiskered Catfish
FishPinirampus pirinampu
A schooling river giant that needs serious space and serious commitment.
Flaveolus Cichlid
FishAmphilophus flaveolus
A rare Nicaraguan crater-lake cichlid, living proof of evolution in action.
Four Eye Butterflyfish
FishChaetodon capistratus
A Caribbean reef classic that often mates for life.
French angelfish
FishPomacanthus paru
A bold Atlantic giant that pairs for life and rules its reef corner.
Galaxy Pleco
FishLeporacanthicus galaxias
A spot-covered pleco with genuine fangs and a boldly territorial personality.
Gar Characin
FishCtenolucius hujeta
A surface-hunting predator that plays nicer with tankmates than its looks suggest.
Garnet Tetra
FishHemigrammus pulcher
A peaceful, colorful little tetra that thrives in numbers and suits most community tanks.
Geophagus iporangensis
FishA compact, peaceful eartheater that's criminally overlooked in the hobby.
Geophagus neambi
FishA sand-sifting cichlid from the Tocantins that's far calmer than its reputation suggests.
German Blue Ram
FishMikrogeophagus ramirezi
A jewel-like dwarf cichlid that rewards patient, attentive keepers.
Geryi Cory
FishCorydoras geryi
A larger, long-lived cory from Bolivia that rewards patient, attentive keepers.
Gery's Piranha
FishSerrasalmus geryi
A rare, violet-striped piranha relative best kept as a solo specimen.
Giant Cichlid
FishPetenia splendida
A big-mouthed Central American predator that's surprisingly manageable for dedicated beginners.
Giant Seahorse
FishHippocampus ingens
The largest seahorse in the Pacific, built for life among deep coral branches.
Giant White Spot Pleco
FishHypostomus regani
A tough, territorial pleco from the river systems of southern South America.
Gilded Catfish
FishBrachyplatystoma rousseauxii
A true river giant that demands a seriously large commitment.
Gilded Catfish
FishZungaro zungaro
A river giant that grows big enough to swallow your other fish whole.
Glass Bloodfish
FishPrionobrama filigera
A peaceful, transparent schooling fish with a blood-red tail that earns its name.
Glass Headstander
FishCharax gibbosus
A rarely-seen South American oddity with a see-through body and a quirky head-down posture.
Glowlight Tetra
FishHemigrammus erythrozonus
A fiery neon stripe makes this hardy little tetra a beginner's best friend.
Goldbreast Splitfin
FishIlyodon furcidens
A livebearer with a quasi-placenta and fork-shaped teeth. Genuinely unlike most aquarium fish.
Golden Cichlid
FishThorichthys aureus
A Central American cichlid with electric blue shimmer and real personality to match.
Goldeneye Cichlid
FishNannacara anomala
A tiny cichlid that punches well above its weight come breeding time.
Golden-headed Dwarf Cichlid
FishNannacara aureocephalus
A dwarf cichlid from blackwater French Guiana with dramatic size differences between sexes.
Golden Nugget Pleco
FishBaryancistrus xanthellus
A bold, boulder-dwelling pleco from Brazil's rapids that doesn't share its territory.
Golden Pike-characin
FishBoulengerella lucius
A torpedo-shaped ambush predator that outgrows most home aquariums fast.
Golden Tetra
FishHemigrammus rodwayi
The golden color isn't natural. It takes a parasite to unlock it.
Golden Tetra
FishHyphessobrycon roseus
A tiny, rosy schooling tetra that thrives in peaceful community tanks.
Golden Vampire Pleco
FishLeporacanthicus heterodon
A fang-toothed South American pleco with a surprisingly manageable personality.
Gold Nugget Pleco
FishBaryancistrus sp. "Cf Xanthellus"
A gold-spotted Xingu pleco with a temperament that gets feistier with age.
Gold Piranha
FishSerrasalmus maculatus
A fin-biting South American predator that's actually one of the easier piranhas to keep.
Goldstriped Characin
FishCreagrutus beni
A little-known Bolivian characin that rewards patient keepers with quiet charm.