Species

Betta akarensis

A secretive Bornean mouthbrooder that rewards patient, dedicated keepers.

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.

Apogon nigrofasciatus

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

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.

Synodontis decorus

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

Tubastraea tagusensis

A shade-loving cup coral that thrives where most others would starve.

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.

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.

Fowleria flammea

A secretive reef dweller that glows red in the shadows of lagoon corals.

Zungaro zungaro

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

Chaca chaca

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

Pimelodus ornatus

A bold, predatory catfish with toxic spines and serious schooling instincts.

Macropharyngodon meleagris

A boldly patterned reef wrasse that rewards patient, experienced keepers.

Cryptocentrus leptocephalus

A burrow-sharing goby that stands guard while its pistol shrimp partner digs.

Zoramia leptacantha

A tiny reef cardinalfish that gathers in shimmering clouds above branching coral.

Calloplesiops altivelis

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

Macrognathus meklongensis

A secretive Thai spiny eel that comes out of hiding when hunger calls.

Polypterus mokelembembe

An ancient, armored predator from the Congo's murky depths.

Polypterus weeksii

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

Macrognathus aculeatus

A serpentine burrower with a single bold stripe and a secretive personality.

Polypterus ornatipinnis

An ancient, armored predator that breathes air and prowls the night.

Apogon atricaudus

A secretive Pacific reef cardinalfish that comes alive after dark.

Polypterus palmas polli

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

Halichoeres iridis

A kaleidoscopic reef wrasse that shifts color as it matures.

Erpetoichthys calabaricus

A living fossil with an eel-like body and a lineage older than the dinosaurs.

Monopterus albus

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

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.

Nannostomus nitidus

A rarely-seen pencilfish with a glittering lateral stripe and fascinating nocturnal color shifts.