The Americas

Astyanax fasciatus

A bold, wide-ranging tetra with a predatory streak that surprises many keepers.

Corydoras hastatus

Tiny armored catfish that defies its family by cruising the midwater column.

Amphilophus citrinellus

A bold, intelligent cichlid that recognizes its owner and demands respect in return.

Corydoras spectabilis

The 'millennium cory'. A peaceful schooler with spotted flair from Brazil's Guaporé basin.

Serrasalmus sanchezi

A misidentified mini-piranha relative with razor teeth and a fiery red throat.

Herichthys minckleyi

A rare Mexican cichlid from one of the world's most extraordinary desert springs.

Hyphessobrycon minor

A peaceful little tetra from Guyana that's seldom seen in the hobby.

Poecilia sphenops

A livebearer classic that can thrive from freshwater all the way to full marine conditions.

Vieja heterospila

A robust Central American cichlid from some of Mexico's most storied river systems.

Xiphophorus montezumae

A wild swordtail with an absurdly long tail sword that rivals its own body length.

Corydoras haraldschultzi

A long-lived armored catfish with detailed reticulated markings and a surprisingly social personality.

Gambusia affinis

The notorious mosquitofish: tough, prolific, and not a friendly neighbor.

Auchenipterus nuchalis

A surface-roaming catfish with bizarre ossified barbels and secretive nocturnal habits.

Gymnocharacinus bergi

A scaleless South American oddity from one of the world's most isolated streams.

Paracheirodon innesi

The fish that turned millions of people into aquarium keepers.

Corydoras reticulatus

A fine-patterned bottom dweller that lives surprisingly long in good company.

Hypancistrus sp. "L066"

A boldly patterned pleco with a variable maze-like network across its body.

Corydoras nijsseni

A rare Rio Negro cory with bold patterning and a surprisingly long lifespan.

Corydoras septentrionalis

A long-lived Orinoco bottom-dweller that breathes air and blinks at you.

Channa argus

A true apex predator that can survive days out of water. And is banned in many countries.

Vieja zonata

A rare Mexican cichlid with big personality and even bigger space requirements.

Potamotrygon motoro

A disc-shaped apex predator that can learn to recognize its keeper.

Asterophysus batrachus

A gulper catfish that can swallow prey nearly twice its own size.

Corydoras simulatus

A rarely documented Colombian cory with a color pattern that keeps even experts guessing.

Nannostomus unifasciatus

A tiny pencilfish that swims at a permanent angle, day and night.

Satanoperca lilith

A rarely traded eartheater with a single bold flank spot and surprising social depth.

Neoheterandria elegans

A tiny Colombian livebearer with a fascinating near-mammalian reproductive twist.

Bryconops affinis

A restless, fast-moving shoaler from the Guiana Shield's coastal streams.

Laetacara fulvipinnis

A tiny blackwater cichlid with warm-toned fins and a gentle personality.

Geophagus sp. "Orange Head"

A vividly capped cichlid that rewards patient keepers with fascinating mouthbrooding family life.

Andinoacara sp. "Orinoco"

A mellow Orinoco cichlid that pairs easily and rewards patient breeders.

Biotodoma wavrini

A slender eartheater that thrives in groups and rewards patient, experienced keepers.

Pterygoplichthys multiradiatus

A dinosaur-sized algae grazer built for decades of service in large tanks.

Hemigrammus barrigonae

A rare Orinoco tetra that rewards patient keepers willing to seek it out.

Corydoras ornatus

A long-lived Tapajós bottom-dweller that thrives in sociable, peaceful groups.

Astronotus ocellatus

The cichlid that recognizes your face and rearranges its own tank.