Species

Cirrhilabrus scottorum

A brilliantly colored fairy wrasse that rewards patient, experienced reef keepers.

Hippocampus fuscus

A monogamous, eelgrass-dwelling seahorse from the Indian Ocean with pair-bonding rituals.

Hyphessobrycon eques

Fiery red schooler that turns fin-nipper when kept in too-small groups.

Corydoras seussi

A long-lived Bolivian cory that breathes air and rewards patient keepers.

Chaetodon punctatofasciatus

A boldly patterned reef butterfly that pairs for life and rarely strays far from coral.

Hyalobagrus flavus

A tiny, sociable catfish that actually swims in the open. And has a fish that mimics it.

Pethia shalynius

A cool-water hill stream barb with a vivid blue lateral stripe and gentle temperament.

Elacatinus evelynae

A tiny Caribbean cleaner fish that services sharks and rays without hesitation.

Echeneis naucrates

The fish that hitchhikes on sharks, and occasionally tries to attach to divers.

Sphaerichthys acrostoma

A rare Bornean mouthbrooder from blackwater streams, gentle and quirky in equal measure.

Cyprinodon variegatus

A tough little pupfish that thrives where most fish would struggle to survive.

Nannostomus nitidus

A rarely-seen pencilfish with a glittering lateral stripe and fascinating nocturnal color shifts.

Poecilia mexicana

The wild ancestor of the molly we all know, built for tough conditions.

Neosilurus brevidorsalis

A compact Australian bottom-dweller that earns its keep in a peaceful community tank.

Carassius auratus var. shubunkin

A calico-patterned pond fish built for decades of companionship.

Corydoras gracilis

A tiny, shy cory with a bold arched stripe and a surprising air-breathing trick.

Crossocheilus oblongus

The algae eater that actually eats algae, including the tough stuff other fish ignore.

Crossocheilus atrilimes

The real Siamese algae eater. If you can tell it apart from its lookalikes.

Crossocheilus burmanicus

A lesser-known algae eater from Himalayan foothills with a subtle but useful ID feature.

Crossocheilus langei

The real Siamese algae eater is harder to identify than you'd think.

Crossocheilus siamensisis

The genuine algae-eating workhorse that actually earns its keep in a planted tank.

Badis siamensis

A rare Thai cave-spawner with detailed patterning and fascinating paternal instincts.

Crossocheilus siamensis

A tireless algae grazer that earns its keep in planted tanks.

Gymnostomus siamensis

A plain silver river wanderer that follows the floods across Southeast Asia.

Rasbora paviana

A peaceful, stripe-sided stream fish that thrives in groups and suits most community tanks.

Pareutropius longifilis

A shy but lively African schooling fish that thrives in numbers

Distichodus affinis

A peaceful Congo schooler that surprises you with vivid red fins at adulthood.

Metynnis argenteus

Peaceful piranha relatives that will demolish your plants overnight.

Metynnis hypsauchen

A piranha cousin that's actually peaceful, but don't trust it with small fish.

Chela cachius

A deep-bodied, lightning-fast schooler from South Asian plains and waterways.

Gasteropelecus sternicla

A surface-skimming acrobat that leaps to catch insects mid-air.

Periophthalmus argentilineatus

The fish that climbs trees and spends more time on land than in water.

Mylossoma duriventre

A deep-bodied South American schooler that belongs in serious, large setups.

Semaprochilodus taeniurus

A migratory Amazon giant that sifts sediment and schools in impressive numbers.

Rasbora dusonensis

A boldly striped schooling rasbora with a vivid yellow tail fin.

Rasbora argyrotaenia

A sleek, fast-moving schooler built for larger river setups