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.
249 species · saltwater
Sub-regions
Achilles Tang
FishAcanthurus achilles
A bold, reef-grazing surgeon with a vivid orange tail patch and a fiery attitude toward rivals.
Alaska Stony Coral
CoralCaryophyllia (Caryophyllia) alaskensis
A solitary cold-water coral bringing deep Pacific character to dedicated reef tanks.
Angular Sea Whip
CoralPterogorgia anceps
A graceful branching sea whip from Caribbean shallows, manageable even for newer reefers.
Arnold's Stony Coral
CoralCaryophyllia (Caryophyllia) arnoldi
A solitary cold-water stony coral from the rocky reefs of the US Pacific coast.
Artichoke Coral
CoralScolymia cubensis
A chunky Atlantic disk coral that rewards beginners with bold, varied color.
Atlantic Mushroom Coral
CoralPhyllangia consagensis
A rarely kept Eastern Pacific coral for the dedicated intermediate reef keeper.
Bahamian Sea Fan
CoralGorgonia flabellum
A classic Caribbean sea fan that brings genuine reef architecture to your tank.
Bahia Brain Coral
CoralMussismilia braziliensis
A true Brazilian reef-builder with classic brain coral architecture and beginner-friendly needs.
Balanophyllia galapagensis
CoralBalanophyllia (Balanophyllia) galapagensis
A solitary stony coral from the Galápagos, thriving where light barely reaches.
Banded butterflyfish
FishChaetodon striatus
A Caribbean reef classic that moonlights as a cleaning station attendant.
Banded Puffer
FishColomesus psittacus
A peaceful Atlantic puffer that genuinely tolerates company of its own kind.
Barberfish
FishJohnrandallia nigrirostris
A schooling butterflyfish that moonlights as a cleaner fish on Pacific reefs.
Beaked Stony Coral
CoralEnallopsammia rostrata
A deep-sea reef builder that thrives where light never reaches.
Beau Gregory
FishStegastes leucostictus
A small, personable damselfish that tends its own algae garden on the reef floor.
Bermuda Blue Angelfish
FishHolacanthus bermudensis
A bold Atlantic angel that grows into a true reef monarch with attitude to match.
Big-nose Unicornfish
FishNaso vlamingii
A color-shifting open-water unicornfish that needs serious space to roam.
Black Angel
FishPomacanthus arcuatus
A large, sociable Atlantic angel that juveniles moonlight as reef cleaning stations.
Black Boxfish
FishOstracion meleagris
A living mosaic of spots with a secret chemical defense you need to know about.
Blackcap Basslet
FishGramma melacara
A deep-reef beauty that swims upside-down along underwater cliff faces.
Black Durgon
FishMelichthys niger
A calm, reef-going triggerfish that's actually safe for community tanks.
Blackear Wrasse
FishHalichoeres poeyi
A bold Atlantic wrasse with a sharp temper for its own kind.
Black Sea Rod
CoralPlexaura homomalla
A tall, branching sea rod famous for its remarkable prostaglandin chemistry.
Blue Chromis
FishChromis cyaneus
A cool-blue schooling fish that brings open-water energy to reef tanks.
Blue Crust Coral
CoralPorites branneri
A rare blue encrusting coral that forms textured plates with nodular ridges.
Blue Leg Hermit Crab
InvertClibanarius tricolor
A tiny, tireless reef cleaner with vivid blue legs and a big appetite for algae.
Blue Rainbow
FishScarus guacamaia
The largest Atlantic parrotfish, built for reefs but almost impossible to keep captive.
Bluestripe Pipefish
FishDoryrhamphus excisus
A secretive reef pipefish that pairs for life and fits in tight crevices.
Blue Tang
FishAcanthurus coeruleus
A bold Atlantic surgeon fish known for cleaning sea turtles in the wild.
Blunthead Triggerfish
FishPseudobalistes naufragium
A giant, reef-wrecking curious personality from the Eastern Pacific.
Blushing Star Coral
CoralStephanocoenia intersepta
A demanding Atlantic reef-builder with a subtle rosy flush and tight corallite patterning.
Bottle-brush Coral
CoralMuriceopsis flavida
A bushy Western Atlantic sea plume that's surprisingly forgiving for new reef keepers.
Boulder Brain Coral
CoralColpophyllia natans
A classic Atlantic brain coral that grows into impressive dome-shaped colonies over time.
Boulder Star Coral
CoralOrbicella faveolata
A reef-building heavyweight that has shaped Caribbean reefs for millennia.
Brain Coral
CoralColpophyllia breviserialis
A rare Atlantic brain coral with accessible care needs and genuine reef credentials.
Brain Coral
CoralDiploria labyrinthiformis
A classic Caribbean brain coral with bold, maze-like ridges built for the long haul.
Brain Coral
CoralMussismilia harttii
A robust Brazilian brain coral that tolerates turbid, low-clarity reef conditions.