Species

Xiphophorus hellerii

The elongated tail sword makes males one of the most recognizable livebearers in the hobby.

Corydoras sychri

A tiny Peruvian catfish that blinks, breathes air, and loves company.

Corydoras caudimaculatus

A tiny armored catfish with a bold tail spot and surprisingly long lifespan.

Hemimyzon formosanus

A rare Taiwanese hillstream fish that needs company to truly settle in.

Acrossocheilus paradoxus

A boldly barred Taiwanese cyprinid that's surprisingly easy to keep.

Acanthodoras spinosissimus

A armored, sound-making catfish that thrives in good company.

Hypergastromyzon humilis

A tiny Bornean hillstream loach that crawls rocks instead of swimming

Glossolepis pseudoincisus

A rare New Guinea rainbowfish from a single remote lake, never rediscovered.

Aspidoras taurus

A pint-sized armored catfish that breathes air and thrives in groups.

Carassius auratus var. telescope

The dramatically bug-eyed fancy goldfish that trades agility for personality.

Zoogoneticus tequila

A fish kept in aquariums that may no longer exist anywhere in the wild.

Betta stigmosa

A peaceful hill stream betta with iridescent spots and fascinating mouthbrooding behavior.

Puntius terio

A peaceful, adaptable schooling barb that's surprisingly rare in the trade given its wide range.

Hyphessobrycon acaciae

A tiny Orinoco tetra with a bold dark lateral stripe and beginner-friendly nature.

Tucanoichthys tucano

A pint-sized Amazonian rarity that rewards patient, specialist keepers.

Limnopilos naiyanetri

A fingernail-sized freshwater crab that disappears into moss and rarely shows itself.

Oryzias songkhramensis

A tiny Thai ricefish with a fascinating breeding style and peaceful nature.

Corydoras pantanalensis

A long-lived Bolivian cory with a quirky air-gulping habit worth watching for.

Hassar orestis

A sound-producing doradid catfish that rewards patient keepers with bold group behavior.

Anadoras grypus

A compact Amazonian thorny catfish with surprising personality for its small size.

Nemadoras leporhinus

A schooling thorny catfish from South America, rarely seen but worth seeking out.

Oxydoras niger

A school-forming gentle giant that outgrows almost every home aquarium.

Rhinodoras dorbignyi

A gentle giant of the Paraná, this armored catfish needs serious space to roam.

Iriatherina werneri

Delicate featherfin rainbowfish with spectacular filamentous fins best shown in a species setup.

Neolebias trilineatus

A tiny, shy Congo tetra that transforms into a jewel in the right tank.

Ancistrus triradiatus

A compact, cave-breeding Bristlenose with a surprisingly complex social life.

Boraras micros

One of the tiniest cyprinids around, and genuinely underrated for the right setup.

Nannostomus trifasciatus

A pencilfish with real attitude. Best kept in big groups with broken sightlines.

Inlecypris maetaengensis

A tiny Thai mountain-stream schooler sold as tiger danio, worth a closer look.

Acanthocobitis urophthalmus

A tiny, peaceful bottom-dweller from Sri Lanka's fast-flowing lowland streams.

Caridina serrata

Bold tiger stripes and easy care make this shrimp a great starting point.

Caridina mariae

Bold tiger-striped shrimp that comes in a dazzling range of color forms.

Betta rubra

A tiny peat swamp betta with mouthbrooding surprises and complex social needs.

Hyphessobrycon stegemanni

A tiny Tocantins tetra often mistaken for its look-alike neighbor.

Batasio travancoria

A small, feisty hill stream catfish from India's lush Western Ghats.

Farlowella mariaelenae

A living twig that grazes algae and barely moves. Until it does.