Species

Pethia gelius

A tiny, peaceable barb that shows its best colors in a tight-knit group.

Hemigrammus rodwayi

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

Carassius auratus

The streamlined single-tail original. Hardy, fast, and pond-tough.

Carassius auratus auratus

The fish that started it all. Centuries of selective breeding in one bowl-worthy package.

Melanotaenia goldiei

A large, active rainbowfish from the wild rivers and swamps of New Guinea.

Scarus quoyi

A reef grazer that roams coral channels in small, peaceful groups.

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.

Hemiodopsis immaculatus

A fast-moving, peaceful schooler from Amazonian blackwater river systems.

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.

Parambassis ranga

A living x-ray fish whose transparent body reveals its skeleton and organs.

Melanotaenia irianjaya

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

Cubanichthys pengelleyi

A rare Jamaican killifish with clear-water roots and a reputation for challenging its keeper.

Chrysaora pacifica

A striking open-water predator that demands a very specialized setup.

Cleithracara maronii

A gentle, shy cichlid whose camouflage trick is straight out of a nature documentary.

Semaprochilodus insignis

A migratory Amazon grazer that plays a surprising ecological role in the wild.

Pseudochalceus kyburzi

A peaceful Colombian schooler with a nippy streak worth planning around.

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.

Hypsibarbus vernayi

A large, lemon-finned schooling barb often mislabeled in the trade.

Danio frankei

A bold little schooler that brings constant movement to planted tanks.

Gymnostomus lobatus

A plain silver minnow that moves in millions through the Mekong every year.

Poecilia salvatoris

A scrappy Central American molly with bold looks and a bold attitude.

Parosphromenus ornaticauda

A tiny licorice gourami with an acrobatic courtship display unlike any other.

Barbus lineomaculatus

A sleek African barb that migrates into flooded grasslands to spawn.

Carassius auratus var. lionhead

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

Cyanea capillata

The world's largest jellyfish, trailing curtains of venomous tentacles through cold northern seas.

Melanotaenia maccullochi

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

Ompok eugeneiatus

A shy, schooling catfish from Southeast Asian peat swamps and flooded forests.

Cotylorhiza tuberculata

The Mediterranean jellyfish that looks exactly like a fried egg.