Species

Malapterurus electricus

A living electric weapon that can knock out prey with a 400-volt discharge.

Xenomystus nigri

The knifefish that barks, breathes air, and swims backwards with ease.

Betta akarensis

A secretive Bornean mouthbrooder that rewards patient, dedicated keepers.

Chaca bankanensis

A master of disguise that lures prey with its own barbels like a living trap.

Channa melasoma

A compact, nocturnal predator built for dark, acidic forest streams.

Gnathonemus petersii

A trunk-nosed African oddball that navigates the dark using its own electric field.

Silurus glanis

One of the largest freshwater fish alive, and it knows it.

Chitala chitala

A massive, humped river predator rarely seen in the trade despite its size and character.

Papyrocranus afer

A rare African giant with a striking undulating fin and a fierce attitude.

Sorubimichthys planiceps

A massive Amazonian predator that demands serious space and serious commitment.

Gymnothorax polyuranodon

A true freshwater moray that mistakes fingers for fish when hungry.

Zungaro zungaro

A river giant that grows big enough to swallow your other fish whole.

Notopterus notopterus

A nocturnal predator that outgrows most home aquariums faster than expected.

Potamotrygon henlei

A bold, boldly patterned river predator that demands respect and serious space.

Chaca chaca

A living lure: the ambush catfish that fishes for its own dinner.

Lepidocephalichthys jonklaasi

A rare Sri Lankan loach hidden beneath leaf litter, seldom seen in the hobby.

Pterois volitans

A venomous reef predator that rules its corner of the tank with quiet authority.

Ageneiosus inermis

A giant, predatory catfish with one of the most unusual reproductive strategies in freshwater.

Calloplesiops altivelis

A cave-dwelling mimic that fools predators by impersonating a moray eel.

Polypterus weeksii

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

Channa argus

A true apex predator that can survive days out of water. And is banned in many countries.

Potamotrygon motoro

A disc-shaped apex predator that can learn to recognize its keeper.

Polypterus palmas polli

An ancient armored predator that breathes air and prowls the riverbed.

Potamotrygon orbignyi

A manageable freshwater ray for those ready to step up to serious specialist keeping.

Monopterus albus

A land-crossing, air-breathing swamp predator that isn't actually an eel at all.

Chitala blanci

A massive Mekong predator that will outgrow almost any home aquarium.

Polypterus endlicheri endlicheri

A living fossil that can breathe air and survive out of water.

Leiarius marmoratus

A massive schooling catfish with dramatic fins and a nocturnal personality.

Polypterus senegalus meridionalis

A living fossil that breathes air and hunts like a prehistoric predator.

Sorubim lima

A head-down ambush predator that swims like a falling leaf among the roots.

Pterois miles

A bold, venomous reef predator wearing its warning in every fin.

Chitala hypselonotus

A massive, air-breathing knifefish from the jungle rivers of Borneo and Sumatra.

Hoplias malabaricus

A nocturnal ambush predator with jaws that mean serious business.

Pseudoplatystoma fasciatum

A river giant that outgrows almost every home aquarium faster than you'd expect.

Potamotrygon leopoldi

A bold black disc covered in white spots. And a venomous spine to match.

Brachyplatystoma juruense

A boldly banded Amazonian predator that rests on the bottom by day and hunts by night.