The Americas

Ageneiosus inermis

A giant, predatory catfish with one of the most unusual reproductive strategies in freshwater.

Lactoria diaphana

A boxy, horned oddity that roams reefs and mudflats across the entire Indo-Pacific.

Carnegiella strigata

A deep-keeled surface dweller that brings life to the upper third of any tank.

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.

Siderastrea siderea

A boulder-forming reef coral that builds colonies wider than you are tall.

Zoanthus pulchellus

A hardy Western Atlantic zoanthid that forms colorful, spreading mats on the reef.

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.

Meandrina jacksoni

A rare Atlantic maze coral with a very limited Caribbean range.

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.

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.

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.

Azolla caroliniana

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