Species

Aequidens rondoni

A compact Amazon cichlid with a big personality and surprising longevity.

Heterotis niloticus

The oddball arowana that filters plankton instead of hunting prey.

Anomalochromis thomasi

A shy, peaceable little cichlid that rewards patient keepers with devoted parenting.

Pantodon buchholzi

A living leaf on the water's surface, until something edible flies past.

Apistogramma agassizii

A jewel of the Amazon riverbed with big cichlid personality in a small package.

Astatoreochromis alluaudi

A versatile Victorian cichlid with teeth built to crush snails whole.

Jordanella floridae

Florida's own killifish relative, built for algae duty and bold personalities.

Abbottina rivularis

A bold, bottom-hugging cyprinid that demands equally assertive tankmates.

Aphanius anatoliae

A hardy Anatolian toothcarp with a conservation story worth knowing.

Channa andrao

A dwarf snakehead small enough for a community tank, with fascinating parental behavior.

Pterophyllum scalare

The iconic cichlid that started countless freshwater fishkeeping journeys.

Pterophyllum altum

The wild angelfish that makes the common angel look easy.

Aphanius baeticus

A critically rare Spanish killifish that rewards dedicated keepers willing to help conserve it.

Aphanius dispar

A rare Middle Eastern toothcarp best kept as a conservation project.

Nemacheilus masyai

A boldly patterned river loach that holds its own with attitude to spare.

Xenentodon cancila

A torpedo-shaped freshwater predator that will absolutely bite the hand that feeds it.

Amphilophus macracanthus

A hefty Central American cichlid built for life on the riverbed.

Aphanius sirhani

A critically endangered desert oasis killifish worth keeping as a conservation project.

Bujurquina vittata

A devoted South American cichlid that carries its babies in its mouth.

Toxotes jaculatrix

The fish that hunts above water, shooting insects down with pinpoint accuracy.

Apistogramma bitaeniata

A jewel of Amazonian blackwater, with color forms varying by river system.

Epiplatys fasciolatus

A surface-hunting West African killifish with metallic fins and a subtle barred pattern.

Leporinus fasciatus

Bold black-and-yellow stripes that multiply as the fish grows up.

Schistura notostigma

A feisty Sri Lankan stream dweller that climbs waterfalls and holds its ground.

Mastacembelus circumcinctus

A secretive burrowing eel that vanishes into the substrate for days at a time.

Syncrossus helodes

A bold, large loach that needs space, company, and an owner who means business.

Guianacara geayi

A harem-keeping cichlid from French Guiana's rocky, fast-running streams.

Polypterus delhezi

A living fossil from the Congo that breathes air and hunts by smell.

Devario pathirana

A rare Sri Lankan danio with bold vertical bars and a lively, boisterous personality.

Syncrossus beauforti

A boldly patterned, boisterous loach that demands space and respectful tankmates.

Mesonoemacheilus triangularis

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

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.

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.

Apistogramma norberti

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