Species

Ctenopoma weeksii

A cryptic Congo predator that vanishes into leaf litter before your eyes.

Cherax peknyi

A bold Australian freshwater crayfish with personality to spare.

Protopterus aethiopicus aethiopicus

An ancient African lungfish that breathes air and can outlast a drought.

Fundulopanchax marmoratus

A rare Cameroonian killifish with detailed marbled patterning and a preference for cool water.

Corydoras pinheiroi

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

Julidochromis transcriptus

A bold little rock-dweller from Lake Tanganyika with sharp black-and-white contrast.

Hyphessobrycon compressus

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

Ancistrus ranunculus

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

Macrognathus meklongensis

A secretive Thai spiny eel that comes out of hiding when hunger calls.

Trichopsis schalleri

The tiny gourami that actually produces sounds to resolve conflicts and court mates.

Datnioides undecimradiatus

A boldly barred Mekong predator with a long memory and a short temper.

Aspidoras menezesi

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

Boraras merah

Thumbnail-sized Borneo native that rewards patience with vivid schooling displays.

Hyphessobrycon metae

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

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.

Corydoras spectabilis

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

Herichthys minckleyi

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

Polypterus mokelembembe

An ancient, armored predator from the Congo's murky depths.

Alticorpus mentale

A deep-water Malawi cichlid from sandy depths rarely seen in the hobby.

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.

Trichogaster microlepis

A silver-scaled Southeast Asian gourami with a gentle nature and labyrinth breathing.

Variabilichromis moorii

A Lake Tanganyika rockdweller with a fascinating family life and devious brood tactics.

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.

Polypterus weeksii

A living fossil from the Congo with a swim bladder that doubles as a lung.

Amarginops ornatus

A sleek Congo predator with ornate markings and serious attitude toward tankmates.

Acanthocobitis botia

A peaceful, quirky bottom-dweller with a false eye that fools predators.

Amphilius platychir

A sleek African stream catfish built for life in fast, rocky currents.

Auchenipterus nuchalis

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

Neolamprologus multifasciatus

Possibly the world's smallest cichlid, big attitude packed into a tiny shell.

Mystus mysticetus

A gregarious Southeast Asian catfish with a uniquely lateral-eyed look.

Gymnocharacinus bergi

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

Rhinogobius nantaiensis

A feisty Taiwanese stream goby that rewards patient, experienced keepers.

Nassarius distortus

A tidy little scavenger from the Yaeyama Islands with a distinctively ornate shell.