Species

Yasuhikotakia lecontei

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

Epalzeorhynchos munense

A rarely seen shark with a jet-black body and vivid red fins from Southeast Asian rivers.

Garra rufa

The original 'doctor fish', famous for nibbling skin long before spa treatments existed.

Anostomus ternetzi

A boldly striped headstander that swims at its own angle. Literally.

Cirripectes stigmaticus

A reef-flat blenny with bold red facial markings and loads of personality.

Discherodontus ashmeadi

A rare, bottom-dwelling schooler with vivid red-tipped fins and secretive nocturnal habits.

Phractocephalus hemioliopterus

A gorgeous river giant that almost no home aquarium can truly accommodate.

Aborichthys elongatus

A pebble-stream loach from the Himalayan foothills with a fondness for fast water.

Metriaclima estherae

A bold, scrappy cichlid that brings serious color and attitude to the African rift tank.

Erpetoichthys calabaricus

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

Sewellia lineolata

A bold hillstream loach with bold patterning and surprisingly easy breeding.

Corydoras reynoldsi

A tiny Colombian cory with a surprisingly long life and some endearing quirks.

Monopterus albus

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

Corydoras napoensis

A tiny armored catfish from Ecuador that rewards patient keepers with decades of personality.

Megalodoras uranoscopus

A gentle giant catfish from the Amazon that travels in groups and growls.

Awaous banana

A sand-sifting river giant that grazes algae like an aquatic lawnmower.

Corydoras robustus

One of the largest corys around, rarely seen and worth the hunt.

Haplochromis sauvagei

A Lake Victoria cichlid that hunts snails and insect larvae along rocky shorelines.

Pelvicachromis roloffi

A cave-spawning West African dwarf cichlid with strong pair bonds and subtle charm.

Hypostomus roseopunctatus

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

Fossorochromis rostratus

The sand-diving Lake Malawi cichlid that buries itself when spooked.

Sturisoma panamense

An elegant whiptail catfish that grazes algae and breathes air when needed.

Gramma loreto

A bold two-toned reef fish that happily swims upside down under ledges.

Panaque nigrolineatus

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

Sturisoma festivum

A sleek, whiskered algae grazer from the Maracaibo basin with a surprising trick up its sleeve.

Brachygobius sabanus

A tiny brackish goby with bold banding and a big territorial attitude.

Aequidens tetramerus

A wide-ranging South American cichlid with vivid locality color forms worth hunting down.

Corydoras ephippifer

A rarely-seen Amazonian cory with clear fins and a surprisingly long lifespan.

Polypterus endlicheri

A prehistoric African predator that breathes air and grows to impressive lengths.

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.

Corydoras habrosus

A pint-sized armored catfish that breathes air and blinks at you.

Acanthocobitis zonalternans

A camouflaged Salween loach that thrives in groups and rewards patient keepers.

Neolamprologus sexfasciatus

A boldly striped Tanganyikan predator that demands respect from tankmates and keeper alike.

Thorichthys callolepis

A lesser-known Mexican cichlid from swift, rocky headwaters worth a closer look.