Species

Homaloptera bilineata

A tiny torrent-dweller that crawls and hops across rocks like no other fish.

Homaloptera leonardi

A tiny hillstream crawler that clings to rocks and hops across the riverbed.

Homaloptera smithi

A fast-water hillstream loach that crawls and hops across rocks like a tiny lizard.

Homaloptera zollingeri

A flattened, rock-clinging stream dweller that crawls and hops like a lizard.

Homalopteroides smithi

A rock-clinging hill stream loach that crawls and hops like a tiny lizard.

Homalopterula gymnogaster

A tiny Sumatran hillstream loach that crawls and hops across rocks like a lizard.

Neohomaloptera johorensis

A tiny, orange hillstream loach that crawls and hops rather than swims.

Homaloptera parclitella

A flat-bodied Malay hillstream loach that crawls and hops across rocks like a tiny lizard.

Pygopristis denticulata

The most docile piranha you can keep, but those teeth are still very real.

Lepidocephalichthys irrorata

A rarely traded Indian loach with hidden spines and subtle charm.

Acantopsis octoactinotos

A slender, sand-diving loach with a distinctively elongated snout.

Brycinus longipinnis

A lively West African schooler that needs space and confident tankmates.

Corydoras narcissus

A long-snouted cory from the Amazon, rarely seen and worth the search.

Corydoras semiaquilis

A peaceful bottom-dweller from Peru that thrives in sociable groups.

Distichodus lusosso

A boldly patterned Congo river fish that quietly outgrows its youthful looks.

Sperata aor

A river giant with a shoveled snout that will outgrow almost any tank.

Mystus gulio

A schooling brackish catfish that grows surprisingly large and breathes air.

Corydoras loretoensis

A long-finned little bottom-dweller that thrives in lively, social groups.

Corydoras ortegai

A tiny armored catfish from Peru that breathes air and blinks at you.

Hyphessobrycon loretoensis

A tiny Peruvian tetra with a vivid red tail that shines in a well-planted school.

A whiptail catfish with one of the most striking breeding behaviors in the hobby.

Amphilophus lyonsi

A lesser-known Central American cichlid from Pacific-slope rivers worth seeking out.

Apistogramma pantalone

A tiny Peruvian dwarf cichlid with courtship rituals unlike any other Apistogramma.

Acanthicus hystrix

A giant, armor-plated catfish that outgrows almost every home aquarium.

Melanotaenia maccullochi

A compact, peaceful rainbowfish that rewards group keeping with vivid male displays.

Apistogramma macmasteri

A compact Colombian cichlid with big personality and fascinating cave-breeding behavior.

Leptobarbus hoevenii

A river giant with a wild reputation for eating intoxicating seeds

Acrochordonichthys septentrionalis

A skin-shedding hill stream catfish that keeps its tankmates on their toes.

Baryancistrus chrysolomus

A boldly finned Xingu catfish that earns its territorial reputation with age.

Betta mahachaiensis

A nipa palm specialist from coastal Thailand with iridescent blue-green armor.

Puntius mahecola

A rarely traded Kerala barb best appreciated in a lively, same-species school.

Corydoras amandajanea

A rare armored catfish from the Negro River that occasionally breathes air

Melanochromis cyaneorhabdos

An all-blue Malawi mbuna with serious attitude and a mouthbrooding twist.

Barilius gatensis

A bold, fast-moving hill stream fish that needs equally assertive tankmates.

Dimidiochromis compressiceps

The Lake Malawi ambush hunter famous for a truly unsettling feeding habit.

Aristochromis christyi

Lake Malawi's sneaky ambush predator that rolls sideways to fool its prey.