The Americas

Corydoras pygmaeus

Tiny catfish that defies expectations by schooling in open water, not just the bottom.

Carnegiella myersi

Tiny, delicate, and built for the surface. The smallest hatchetfish of them all.

Xiphophorus pygmaeus

A pint-sized livebearer with all the personality of its larger swordtail cousins.

Hyphessobrycon procyon

A boldly masked little tetra that's as easy to keep as it is distinctive.

Herotilapia multispinosa

A rare Central American cichlid that actually plays well with others.

Copella vilmae

A jewel-toned splash of color from the blackwater streams of the upper Amazon.

Characodon lateralis

A rare Mexican livebearer with a complicated identity and real conservation value.

Notropsis chrosomus

A native North American minnow that transforms into a living jewel come breeding season.

Pterygoplichthys weberi

A hard-working algae grazer from Amazonian headwaters with a remarkable breathing trick.

Platydoras costatus

A bold-striped catfish that grunts, buries itself, and eats almost anything.

Potamotrygon scobina

A rare freshwater ray that often gets misidentified and mis-sold in the trade.

Piaractus brachypomus

A fruit-eating giant that outgrows nearly every home aquarium.

Pygocentrus nattereri

The world's most notorious fish, and surprisingly misunderstood in the wild.

Laetacara dorsigera

A tiny South American cichlid with a boldly colored chest and a gentle personality.

Amphilophus labiatus

A notoriously aggressive cichlid that somehow also becomes your best friend.

Trachemys scripta elegans

A long-lived turtle that outlasts most aquariums. And many life plans.

Serrasalmus rhombeus

A solitary, powerfully-jawed predator best kept as a single specimen by dedicated keepers.

Moenkhausia oligolepis

A peaceful, easy-to-breed South American tetra often mistaken for its flashier cousin.

Nannostomus erythrurus

A slender, vividly finned pencilfish that rewards patient, detail-oriented keepers.

Esox americanus americanus

A pint-sized ambush predator that turns patience into a hunting superpower.

Aphyocharax rathbuni

A fin-nipping schooler that rewards careful community planning with lively, colorful energy.

Myloplus rubripinnis

A coin-shaped giant with a bold red fin and a serious appetite for plants.

Hyphessobrycon amapaensis

A tiny, rarely seen Brazilian tetra with vivid red and cream lateral striping.

Satanoperca rhynchitis

A gregarious French Guiana cichlid with distinctive red lips and surprising gentleness outside of spawning.

Rineloricaria sp

A slender, peaceful whiptail with a mysterious origin and surprisingly easy breeding behavior.

Xiphophorus helleri

A selectively bred swordtail with a ruffled dorsal fin and deep crimson color throughout.

Anostomus ternetzi

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

Pseudomugil sp. "Red Neon"

Tiny, vivid, and electric. A micro-rainbow that rewards patient keepers.

Nannostomus mortenthaleri

A tiny, fiery Peruvian pencilfish that punches well above its weight in attitude.

Hyphessobrycon sweglesi

A deep-red schooling tetra that rewards you for keeping bigger groups.

Amphilophus calobrensis

A rare Panamanian cichlid with a ferocious personality and fascinating parental behavior.

Copella eigenmanni

A small, peaceful Amazonian schooler with subtle charm and fascinating breeding behavior.

Copeina guttata

A paternal nest-guarder from the Amazon with bold red spots and real personality.

Geophagus surinamensis

A mouthbrooding digger that sifts sand and fiercely guards its young.

Phractocephalus hemioliopterus

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

Hyphessobrycon agulha

A rare, peaceful tetra that anchors its entire species group by name.