The Americas

Corydoras pinheiroi

A rare Amazonian cory that can breathe air and live for decades.

Apistogramma paulmuelleri

A tiny Peruvian dwarf cichlid with outsized color and surprisingly bold personality.

Apistogramma barlowi

The only Apistogramma that mouthbroods. Or doesn't, depending on its mood.

Cichlasoma urophthalmus

A brackish-tolerant bruiser that can handle conditions few other cichlids can.

Hyphessobrycon compressus

The founding species of its entire genus, rarely seen in the hobby.

Cualac tessellatus

A rare Mexican pupfish with a conservation story worth getting behind.

Ancistrus ranunculus

A flat-headed, rock-hugging pleco from Brazil's wild river rapids.

Apistogramma cacatuoide

A selectively bred cockatoo cichlid dripping in vivid orange from dorsal to tail.

Apistogramma mendezi

A blackwater dwarf cichlid with a surprisingly gentle nature and fascinating cave-breeding habits.

Aspidoras menezesi

A tiny Brazilian catfish with a surprisingly long lifespan and a Corydoras personality.

Phallichthys amates

A low-key Central American livebearer that thrives where flashier fish struggle.

Girardinus metallicus

A livebearer from Cuba with a glinting metallic sheen and real historical quirks.

Hyphessobrycon metae

A tricky-to-identify Orinoco tetra that rewards patient, well-planned community tanks.

Cambarellus patzcuarensis

Tiny, peaceful, and full of personality. The dwarf crayfish that plays well with others.

Astyanax mexicanus

The cave fish that lost its eyes and gained extraordinary senses.

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.

Azolla caroliniana

A fast-spreading floating fern that doubles as a nursery roof for shrimp and fry.

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.

Pomacea bridgesii

A peaceful, algae-grazing snail that comes in a rainbow of shell colors.

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.