Species

Hemigrammus rodwayi

The golden color isn't natural. It takes a parasite to unlock it.

Tomeurus gracilis

A tiny Venezuelan oddity that lays eggs despite fertilizing them internally.

Thayeria ifati

The rarest penguin tetra, with a boldly defined tail stripe and colorful fin tips.

Heniochus chrysostomus

A bold-banded bannerfish with a dramatic dorsal fin and reef-roaming habits.

Alfaro huberi

A sleek Central American livebearer built for fast, clear currents.

Chaetodon mitratus

A deep-reef butterflyfish from remote Indian Ocean islands, rarely seen in the wild or in tanks.

Melanotaenia irianjaya

A rarely seen rainbowfish with an unusual fin shape that sets it apart from its cousins.

Melanotaenia parva

A rare mountain lake gem that puts on a show at feeding time.

Melanotaenia lacustris

A slow-developing rainbowfish whose true colors take patience to unlock.

Melanotaenia herbertaxelrodi

A highland Papua New Guinea gem that rewards patient keepers with vivid color.

Glossolepis wanamensis

A critically endangered rainbowfish from a single remote Papua New Guinea lake.

Heterandria formosa

One of the world's smallest fish, with a uniquely continuous birthing process.

Gobiodon citrinus

A tiny, lemon-yellow goby that lives tucked inside coral branches in the wild.

Carassius auratus var. lionhead

The beefy, hood-crowned fancy goldfish that rewards patient, attentive keepers.

Melanotaenia maccullochi

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

Oryzias mekongensis

A tiny Mekong native with vivid fin markings and surprisingly easy breeding habits.

Gobiosoma oceanops

A tiny reef cleaner that punches way above its weight.

Elacatinus oceanops

A tiny cleaner fish that runs its own reef spa service.

Devario neilgherriensis

A rarely seen Indian hill stream danio with iridescent blue and yellow flanks.

Melanotaenia affinis

One of the first rainbowfish in the hobby, now available in several wild forms.

Gobiodon okinawae

Tiny, vivid, and inseparable from its Acropora home.

Carassius auratus var. oranda

The velvet-capped fancy goldfish that rewards patient, attentive keeping.

Poecilia butleri

A personable little livebearer that grazes algae and practically eats from your hand.

Melanotaenia parkinsoni

A Papua New Guinea gem that rewards patient keepers with spectacular adult color.

Pseudanthias dispar

A schooling reef beauty that brings the open ocean's energy to your tank.

Carassius auratus var. pearlscale

The round, jewel-scaled fancy goldfish that looks almost too spherical to be real.

Hyphessobrycon peruvianus

A slender Upper Amazon tetra often misidentified but worth tracking down properly.

Xiphophorus maculatus

The beginner-proof livebearer that comes in more color forms than you can count.

Xiphophorus pygmaeus

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

Melanotaenia splendida inornata

A rainbowfish that takes patience to reward, but absolutely delivers on color.

Carassius auratus var. ranchu

The roly-poly fancy goldfish bred to look like a swimming raspberry.

Aphyocharax rathbuni

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

Devario assamensis

A rare, deep-bodied danionid from Assam with vivid lateral striping and restless energy.

Glossolepis incisus

A deep-bodied red rainbow that rewards group keeping with dazzling male displays.

Puntius bimaculatus

A peaceful, active schooler from South Asian streams with a vivid red flanks in males.

Melanotaenia splendida rubrostriata

A slow-burning rainbowfish that rewards patient keepers with spectacular adult color.