Aquariumpro
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RegionFreshwaterSaltwaterBrackish

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

Six-eyed Tetra
✨AI

Six-eyed Tetra

Fish

Phenacogaster tegatus

The tiny 'six-eyed tetra' from Paraguay with a trick spot pattern.

Six-ray Star Coral

Six-ray Star Coral

Coral

Madracis senaria

A deep-water Caribbean encrusting coral with a precise, six-pointed corallite architecture.

Skunk Corydoras

Skunk Corydoras

Fish

Corydoras arcuatus

A boldly striped little catfish that breathes air and moves in cheerful gangs.

Slender Hemiodus

Slender Hemiodus

Fish

Hemiodus gracilis

A fast-moving Amazon schooler that thrives in large, active biotope communities.

Slender Piranha

Slender Piranha

Fish

Serrasalmus elongatus

A sleek, solitary predator that's one of the easiest piranhas to identify correctly.

Slimy Sea Plume

Slimy Sea Plume

Coral

Antillogorgia americana

A flowing Caribbean sea fan that brings wild reef movement to the tank.

Slobbering Catfish

Slobbering Catfish

Fish

Brachyplatystoma platynemum

A rarely-seen Amazonian giant named for its unusually thick, drooping barbels.

Smudge spot cory

Smudge spot cory

Fish

Corydoras similis

A small armored catfish that breathes air and thrives in a lively group.

Snowball Pleco

Snowball Pleco

Fish

Baryancistrus sp. "L142"

A boldly spotted Amazonian pleco that gets feisty as it grows up.

Snowball Pleco
✨AI

Snowball Pleco

Fish

Hypancistrus inspector

Bold spotted pleco from Venezuelan rapids, compact enough for a mid-size tank.

Snowflake Coral

Snowflake Coral

Coral

Carijoa riisei

A soft, branching coral that frosts live rock with white, feathery polyps.

Solitary Disk Coral

Solitary Disk Coral

Coral

Scolymia wellsii

A bold, single-polyp coral that rewards patient feeding with vivid growth.

South American Lungfish

South American Lungfish

Fish

Lepidosiren paradoxa

A living fossil that breathes air, crawls on fins, and outlives most pets.

Southern Sailfin Catfish
✨AI

Southern Sailfin Catfish

Fish

Pterygoplichthys anisitsi

A prehistoric-looking giant that moonlights as your tank's cleanup crew.

Southern Sennet

Southern Sennet

Fish

Sphyraena picudilla

A sleek Atlantic predator that schools in impressive numbers near the surface.

Spangled Cichlid
✨AI

Spangled Cichlid

Fish

Acaronia vultuosa

A compact Orinoco predator that punches above its weight in planted setups.

Spanish Shawl

Spanish Shawl

Invert

Flabellina iodinea

A vivid Pacific nudibranch that's as demanding as it is decorative.

Sparkling Eartheater

Sparkling Eartheater

Fish

Satanoperca acuticeps

A sociable eartheater with three bold flank blotches, rarely seen in the trade.

Speckled Piranha
✨AI

Speckled Piranha

Fish

Serrasalmus spilopleura

A solitary, razor-toothed predator best kept one to a tank.

Spilotus Cory

Spilotus Cory

Fish

Aspidoras spilotus

A tiny Brazilian cory relative that can gulp air when needed.

Spiny Sea Fan

Spiny Sea Fan

Coral

Muricea elongata

A bold, branching Atlantic sea fan that rewards patient intermediate reefers.

Spiny Sea Fan

Spiny Sea Fan

Coral

Muricea muricata

A branching Atlantic sea fan that thrives in surge and current.

Spiny Stream Pleco

Spiny Stream Pleco

Fish

Hypostomus latifrons

A hardy Paraguayan armored catfish with a surprising ability to breathe air.

Spixi Snail
✨AI

Spixi Snail

Invert

Asolene spixi

A compact, zebra-striped apple snail that actually eats pest snails.

Splash Tetra

Splash Tetra

Fish

Copella arnoldi

The fish that leaps out of water to lay eggs on leaves above the surface.

Splash Tetra

Splash Tetra

Fish

Copella carsevennensis

A tiny surface-dweller with one of the most acrobatic spawning rituals in freshwater fishkeeping.

Spotcheek Cichlid

Spotcheek Cichlid

Fish

Thorichthys maculipinnis

A gentle Central American cichlid that surprises with its delicate spotted fins.

Spottail Killifish
✨AI

Spottail Killifish

Fish

Heterandria bimaculata

A bold Central American livebearer with attitude to match its size.

Spotted Cichlid

Spotted Cichlid

Fish

Australoheros facetus

A tough South American cichlid with a big personality and surprising cold tolerance.

Spotted Cory
✨AI

Spotted Cory

Fish

Corydoras brevirostris

A tiny armored catfish with a surprisingly long lifespan and a talent for breathing air.

Spotted Hatchetfish
✨AI

Spotted Hatchetfish

Fish

Gasteropelecus levis

A surface-hugging jumper with a deep keel and surprisingly peaceful nature.

Spotted Hawkfish

Spotted Hawkfish

Fish

Cirrhitichthys oxycephalus

A bold little percher that claims coral real estate and rarely budges.

Spotted Hoplo

Spotted Hoplo

Fish

Megalechis thoracata

A tough, bubble-nesting catfish that breathes air and shrugs off rough conditions.

Spotted leporinus

Spotted leporinus

Fish

Leporinus maculatus

A swift-water Guianan pencilfish relative with a spotted pattern and real personality.

Spotted Metynnis

Spotted Metynnis

Fish

Metynnis maculatus

A schooling cousin of the piranha that mostly just wants to eat your plants.

Spotted Orange Seam Plec

Spotted Orange Seam Plec

Fish

Hemiancistrus guahiborum

A territorial Orinoco plec with vivid orange-edged fins and a fascinating ability to breathe air.