Species

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.

A tiny armored catfish with a surprisingly versatile respiratory trick up its sleeve.

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.

Trichopsis vittata

The gourami that settles arguments with sound instead of fins.

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.

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.

Pethia cumingii

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

Oryzias woworae

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

Danio feegradei

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

Echidna polyzona

A reef moray that hunts crabs, not fish, making it surprisingly tankmate-friendly.

Hemigrammus bellottii

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

Puntius exclamatio

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

Pareutropius buffei

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

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.

Pseudomugil tenellus

A tiny, peaceful Australian blue-eye that glows in a well-planted, sun-drenched tank.

Xiphophorus cortezi

A gentle, lesser-known Mexican swordtail for the planted community tank.

Aspidoras depinnai

A tiny Brazilian catfish with a surprisingly long lifespan and air-breathing tricks.

Wetmorella albofasciata

A tiny, secretive reef wrasse that haunts caves and rarely ventures into the open.

Adinia xenica

A rare Gulf Coast killifish that thrives where fresh water meets salt marsh.

Moenkhausia pittieri

Sold as a dull juvenile, it matures into something that genuinely sparkles.

Valenciennea puellaris

A sand-sifting goby that tidies your substrate and bonds for life with a partner.

Corydoras loxozonus

A long-lived Colombian cory that thrives in groups and breathes a little air on the side.

Paratrygon aiereba

A river giant shaped like a discus, with a venomous tail to match its size.

Brachychalcinus orbicularis

A coin-shaped schooling tetra that holds its own in a lively community tank.

Misgurnus anguillicaudatus

The loach that supposedly predicts the weather and definitely has personality.

Equetus lanceolatus

A boldly striped reef fish shaped like a living exclamation mark.

Chaetodon pelewensis

A Pacific beauty that pairs for life and takes well to aquarium living.

Fowleria isostigma

A small, secretive cardinalfish that haunts muddy flats and rocky refuges.