Species

Pangio semicincta

The fish sold as kuhli loach is almost certainly this one instead.

Melanoides tuberculata

The tireless substrate burrower that aerates your gravel while you sleep.

Ageneiosus inermis

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

Oxyeleotris marmorata

A motionless giant that eats anything fitting in its enormous mouth.

Calloplesiops altivelis

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

Ancistrus ranunculus

A flat-headed, rock-hugging pleco from Brazil's wild river rapids.

Hara jerdoni

A moth-like micro catfish from Indian hill streams, best kept in groups.

Channa argus

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

Dendrochirus biocellatus

A shy, venomous reef dweller that hides by day and hunts by night.

Potamotrygon motoro

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

Galaxea astreata

A sprawling, tentacled coral with surprisingly sharp defensive reach.

Macrognathus aculeatus

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

Pseudocorynactis caribbeorum

A nocturnal Caribbean predator with sticky orange-tipped tentacles that can snag small fish.

Pterygoplichthys multiradiatus

A dinosaur-sized algae grazer built for decades of service in large tanks.

Polypterus ornatipinnis

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

Sphaeramia nematoptera

Polka dots, bold racing stripe, and calm enough for any peaceful community reef.

Rhynchodoras woodsi

A rarely seen Amazonian catfish with a mysterious bony beak-like projection

Lepidocephalus macrochir

A shy, rarely traded loach that does best with gentle companions and a soft substrate.

Apogon atricaudus

A secretive Pacific reef cardinalfish that comes alive after dark.

Synodontis angelicus

A boldly spotted Congo catfish that grows into a fierce bottom-territory defender.

Diodon holacanthus

A curious, spiny puffer that can devour your cleanup crew without a second thought.

Halichoeres iridis

A kaleidoscopic reef wrasse that shifts color as it matures.

Yasuhikotakia lecontei

A sociable loach with complex group dynamics and real personality to match.

Erpetoichthys calabaricus

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

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.

Hypostomus roseopunctatus

A hefty South American pleco with an unusual ability to breathe air.

Plerogyra eurysepta

Bubble-filled LPS coral that deflates at night to reveal sweeping feeding tentacles.

Panaque nigrolineatus

A wood-rasping giant with bold racing stripes and a reclusive personality.

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.

Glyptoperichthys gibbiceps

A decades-long commitment: this armored giant lives longer than most pets.

Galaxea horrescens

A branching coral with ghostly white-tipped tentacles that emerge after dark.

Nannostomus nitidus

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

Neosilurus brevidorsalis

A compact Australian bottom-dweller that earns its keep in a peaceful community tank.

Sorubim lima

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