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.

Pterois antennata

A venomous nocturnal predator draped in bold bars and elaborate fins.

Mastacembelus circumcinctus

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

Polypterus delhezi

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

Polypterus bichir bichir

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

Apteronotus albifrons

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

Channa melasoma

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

Apogon nigrofasciatus

A secretive reef-dweller that comes alive after dark to hunt the rubble.

Amblydoras nauticus

A hardy little catfish that talks in the dark and rarely shows its face by day.

Plerogyra sinuosa

Grape-like bubbles by day, sweeping tentacles by night. A coral of two faces.

Plerogyra simplex

Bubble-covered by day, tentacled hunter by night. A coral with a double life.

Batrochoglanis raninus

A compact, cave-hoarding ambush predator with serious attitude for its size.

Pseudopimelodus bufonius

A boldly patterned South American catfish that's surprisingly easy to keep.

Vaillantella maassi

A secretive, eel-like loach with a bold orange dorsal stripe and a sky-high price tag.

Synodontis decorus

A bold Congo catfish with a clown's wardrobe and a surprisingly peaceful personality.

Cnidoglanis macrocephalus

A peaceful Australian giant that hides by day and hunts by night.

Butis butis

The brackish ambush predator that hunts just as happily upside down as right-side up.

Dendrochirus brachypterus

A venomous pocket predator that spends most of its time just sitting there, looking menacing.

Channa gachua

A mouthbrooding snakehead small enough for a community tank with the right neighbors.

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.

Dactylopus dactylopus

A sand-walking dragonet that tiptoes across the seafloor on finger-like fins.

Mastacembelus erythrotaenia

A bold, snake-like predator that rewards patient keepers with years of personality.

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.

Hippocampus ingens

The largest seahorse in the Pacific, built for life among deep coral branches.

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.

Pristiapogon kallopterus

A subtly shimmering cardinalfish that thrives where many marines struggle.