The Americas

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.

Acanthemblemaria macrospilus

A pint-sized reef blenny that claims abandoned barnacle shells as its castle.

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.

Scartella cristata

A tidepool blenny with a wild mohawk and an appetite for algae.

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.

Zanclus canescens

Iconic reef wanderer with a dramatic look that rarely thrives in captivity.

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.

Naso lituratus

A wide-ranging Pacific grazer that needs serious space to thrive.

Gobiosoma oceanops

A tiny reef cleaner that punches way above its weight.

Elacatinus oceanops

A tiny cleaner fish that runs its own reef spa service.

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.