The Americas

Brachyplatystoma capapretum

A large Amazonian catfish that lurks in deep river channels far from shore.

Pterygoplichthys scrophus

A hefty Amazonian armored catfish that breathes air when conditions demand it.

Aphyolebias peruensis

A rare Amazonian killifish with an extraordinarily long egg incubation period.

Hyphessobrycon peruvianus

A slender Upper Amazon tetra often misidentified but worth tracking down properly.

Rineloricaria morrowi

A slender Peruvian whiptail catfish that rewards patient keepers with fascinating paternal care.

Corydoras petracinii

A tiny Argentine cory built for rocky currents, rarely if ever seen in the hobby.

Charax condei

A secretive little predator that sneaks into shipments of other characins.

Hemigrammus filamentosus

A slender Brazilian tetra with a filamentous tail fin twist.

Phallichthys fairweatheri

A gentle little livebearer from Central America's marshy backwaters.

Pimelodus pictus

A spotted, whiskered speedster that will eat anything small enough to swallow.

Acestrorhynchus microlepis

A sleek, toothy predator that schools as a juvenile and hunts like a pike.

Acestrorhynchus pantaneiro

A sleek river predator that plays surprisingly well with the right tankmates.

Boulengerella cuvieri

A surface-hunting predator that outgrows almost every home aquarium.

Crenicichla albopunctata

A compact, manageable pike cichlid with serious predator personality.

Crenicichla johanna

A big-mouthed Amazon predator that means business in any large cichlid setup.

Crenicichla lepidota

A torpedo-shaped predator that brings serious personality to a South American biotope.

Crenicichla lugubris

A deceptively pretty juvenile that grows into a large, predatory tank-buster.

Belonesox belizanus

A surface-hunting predator built like a pike, from Central American wetlands.

Serrasalmus eigenmanni

A sleek Amazon predator that's surprisingly manageable for first-time piranha keepers.

Corydoras axelrodi

A long-lived Colombian cory with variable striping and a surprisingly complex identity.

Chalceus macrolepidotus

A fast-moving, surface-skimming predator with oversized scales and a vivid pink tail.

Serrasalmus humeralis

A fin-eating piranha with a surprisingly low-key reputation for people

Serrasalmus serrulatus

A solitary, fin-biting predator with a famously tangled identity.

Arapaima gigas

A living giant from the Amazon that breathes air like a lung fish.

Serrasalmus piraya

The largest piranha on earth, and legally banned in several countries.

Thoracocharax stellatus

A silvery, deep-keeled jumper that needs a tight-fitting lid and plenty of company.

Xiphophorus maculatus

The beginner-proof livebearer that comes in more color forms than you can count.

Corydoras polystictus

A tiny armored catfish that thrives in groups and breathes air when it needs to.

Potamotrygon hystrix

A flat, venomous predator that vanishes into the sand right before your eyes.

Dianema longibarbis

A gentle Amazon catfish that schools in midwater like a tetra.

Cyprinodon alvarezi

A fish extinct in the wild, kept alive by dedicated hobbyists worldwide.

Dekeyseria brachyura

A colour-shifting pleco that adapts its pattern to match its surroundings.

Scleromystax prionotos

A bony-plated Brazilian catfish that breathes air and packs a painful sting.

Corydoras pulcher

A long-lived armored catfish that breathes air and blinks its eyes.

Centromochlus reticulatus

A tiny gregarious catfish from Guyana that sometimes goes by 'purple oil catfish'.

Nannostomus rubrocaudatus

Tiny, territorial, and blazing with red-purple color. A pencilfish with real attitude.