Species

Batasio tigrinus

A compact Thai catfish with bold tiger patterning and feisty personality.

Mesonoemacheilus triangularis

A boldly patterned Indian hillstream loach with a famously unpredictable temper.

Scleromystax barbatus

The giant of the cory world, with a beard and a serious attitude to match.

Cyclocheilichthys apogon

A schooling barb built for large, lively communities. No barbels, plenty of personality.

Copella nattereri

A subtly patterned characin with fascinating competitive courtship behavior.

Caridina cf cantonensis

Boldly patterned dwarf shrimp that reward careful water management with dazzling colonies.

Hyphessobrycon heterorhabdus

A tricolor tetra named for its flag-like red, yellow, and black striping.

Devario devario

A bold, wide-ranging danio that rewards keepers who give it room to school properly.

Ophisternon bengalense

A burrow-building, air-breathing swamp predator that blurs the line between eel and snake.

Neoarius berneyi

A wide-ranging Australian catfish that thrives in murky, slow-moving water.

Betta splendens

The world's most recognizable fighting fish, now bred in countless colors and fin shapes.

Rhaphiodon vulpinus

A sleek South American predator that outgrows almost every home aquarium.

Polypterus bichir bichir

A living fossil that breathes air and hunts by smell alone.

Acaronia nassa

A wide-eyed Amazonian ambush predator that makes the most of its stillness.

Acestrorhynchus falcirostris

A riverine ambush predator that plays surprisingly well with tankmates it can't eat.

Synodontis alberti

The Synodontis with the longest barbels and biggest eyes in the genus.

Xenotilapia sima

A sand-sifting Tanganyikan schooler that rarely turns up in the hobby

Cyprinodon pachycephalus

A rare Mexican pupfish with a notably broad head and a challenging side.

Apistogramma norberti

A pocket-sized Peruvian cichlid with a big personality and cave-spawning habits.

Osteoglossum ferreirai

A surface-cruising river predator that leaps for prey in the wild.

Copella callolepis

A tiny Amazonian schooler that rewards patience with vivid courtship displays.

Laemolyta orinocensis

A sleek, banded Orinoco native that tilts head-down as it forages.

Copella nigrofasciata

A dapper little Amazonian splasher with devoted fathering instincts.

Limia melanogaster

A rarely seen Caribbean livebearer with bold dark coloring and lively personality.

Vieja maculicauda

A bold, brawny Central American cichlid with a namesake black band and real attitude.

Trachycorystes trachycorystes

A hefty South American catfish with unusual reproductive biology and serious presence.

Sarotherodon melanotheron melanotheron

A tough West African cichlid where dad handles all the childcare duties.

Poecilocharax weitzmani

A cave-guarding micro-predator from blackwater South America with serious attitude.

Betta persephone

A velvety black pygmy betta from some of the world's most acidic swamps.

Myleus schomburgkii

A disc-shaped, plant-munching pacu with a bold black flank bar and surprisingly peaceful nature.

Gymnothorax melanopterus

A moray with bold fin markings from the cool northern seas.

Pethia nigripinnis

A cool-water gem from India's Western Ghats, rarely seen outside specialist collections.

Apteronotus albifrons

A velvety black, ribbon-finned predator that navigates by its own electric field.

Thorichthys pasionis

A lesser-known Central American cichlid with bold personality and a distinctive dark throat.

Betta siamorientalis

A tiny bubble-nesting betta with a blackish body and vivid red fin details.

Pangio oblonga

A slender, uniformly dark loach that loves company and hides in plain sight.