Species

Nemacheilus corica

A spotted hill-stream loach that thrives with companions and a naturalistic setup.

Corydoras aurofrenatus

A compact armored catfish from Paraguay with distinctive flank markings and an unusual breathing trick.

Apistogramma commbrae

A cool-water dwarf cichlid with a tell-tale double spot and surprising monogamy.

A tiny, sociable armored catfish that occasionally breathes air.

A rare Peruvian armored catfish that breathes air and lives for decades.

A tiny, long-lived catfish with a fascinating natural mimicry story.

A tiny rock-dwelling catfish from the Argentine Andes, rarely if ever seen in aquariums.

Lamontichthys llanero

A rare South American whiptail that rewards patient keepers with unusual character.

Girardinus creolus

A rare Cuban livebearer that occupies the middle of the water column.

Terapon jarbua

A wide-ranging estuarine predator that bridges salt and freshwater with ease.

Chaetodon vagabundus

A wide-ranging reef butterfly that pairs for life and patrols its territory together.

Chaetodon xanthurus

The only butterflyfish with a true crosshatch pattern on its sides.

Trochilocharax ornatus

A scaleless micro-tetra with internal fertilization and serious personality for its size.

Caridina cantonensis

Boldly patterned dwarf shrimp that reward careful water chemistry with constant activity.

Caridina logemanni

The iconic red-and-white dwarf shrimp that turned nano tanks into an art form.

Hyphessobrycon haraldschultzi

A rare Araguaia gem that rewards patient schooling setups with vivid red coloring.

Bodianus pulchellus

A reef-safe wrasse relative that moonlights as a cleaner fish when young.

Synodontis petricola

The catfish that tricks cichlids into raising its young. Nature's ultimate con artist.

Pethia cumingii

A peaceful Sri Lankan gem with bold black blotches and sunshine-yellow fins.

Archocentrus septemfasciatus

A feisty Costa Rican cichlid that punches well above its weight at spawning time.

Oryzias woworae

A tiny Indonesian ricefish that glows red and blue at spawning time.

Paretroplus maculatus

A rare Malagasy cichlid that rewards patient keepers with real personality.

Danio feegradei

A restless Burmese danio with complex social dynamics beneath its peaceful reputation.

Sparisoma viride

A reef sculptor that literally chews coral into Caribbean sand.

Hemigrammus bellottii

A small, nimble Amazonian tetra with a distinctive body marking worth looking twice at.

Sahyadria chalakkudiensis

A rare Kerala barb with feisty personality and a tangled taxonomic history.

Puntius exclamatio

A rare Indian barb with a uniquely puzzling two-blotch pattern that may not even be a true species.

Mystus bleekeri

A sociable South Asian catfish that thrives in groups and fits larger community tanks well.

Pareutropius buffei

A slender West African catfish that blooms with confidence in a shoal.

Rita kuturnee

A peaceful river catfish from India's Deccan plateau, rarely seen but worth seeking out.

Acheilognathus macropterus

A large bitterling with a bizarre mussel-breeding strategy unlike almost any other fish.

Cirrhilabrus bathyphilus

A rarely seen deep-reef wrasse from some of the Pacific's most remote atolls.

Satanoperca jurupari

A sand-sifting cichlid that's far more peaceful than its name suggests

Ectodus descampsii

A shy, sand-dwelling Tanganyikan cichlid that needs its own kind to feel secure.

Chlamydogobius eremius

A tiny Australian desert survivor that laughs at water conditions others can't handle.

Aequidens diadema

A compact blackwater cichlid from the wild heart of the Amazon and Orinoco.