Species

Halichoeres cosmetus

A reef-dwelling wrasse with detailed patterning earned through its name alone.

Chrysaora quinquecirrha

A true open-water predator that demands a specialist setup and rewards patient keepers.

Colisa fasciata

A labyrinth fish with bold bands and a surprisingly peaceful personality.

Heniochus singularis

The largest bannerfish, solitary and rarely seen even in the wild.

Devario devario

A bold, wide-ranging danio that rewards keepers who give it room to school properly.

Chaetodon melannotus

A boldly patterned reef butterfly with a strong preference for live coral.

Wetmorella nigropinnata

A tiny, secretive reef wrasse that disappears into caves the moment you look away.

Catostylus mosaicus

Australia's most common jellyfish, surprisingly manageable in a dedicated kreisel tank.

Chromis cyaneus

A cool-blue schooling fish that brings open-water energy to reef tanks.

Alestopetersius smykalai

A rare West African schooler with a bold diamond marking and fascinating male rivalry displays.

Paracheilinus cyaneus

A reef-dwelling wrasse that sleeps wrapped in its own slime cocoon every night.

Cirrhilabrus cyanopleura

A roving reef wrasse that brings shimmering blue flanks to the open water column.

Pleurosicya boldinghi

A tiny, transparent goby that spends its whole life clinging to soft corals.

Trimma cana

A reef-dwelling miniature goby that perches right on living coral.

Stomolophus meleagris

A true open-water drifter that demands a very specialized setup to survive in captivity.

Rasbora rubrodorsalis

A tiny Southeast Asian schooler with a vivid red splash on its dorsal fin.

Remora remora

The original hitchhiker: a fish that lives life permanently attached to a host.

Gobiodon atrangulatus

A tiny coral-dwelling goby that lives and breeds within Acropora colonies.

Serranocirrhitus latus

A secretive reef dweller that casually swims upside-down along cave ceilings.

Aequorea victoria

The bioluminescent Pacific jelly that inspired a Nobel Prize-winning discovery.

Xiphophorus cortezi

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

Wetmorella albofasciata

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

Betta smaragdina

A wild-caught relative of the common betta with iridescent emerald scales and surprising calm.

Hemigrammus unilineatus

A peaceful shoaler from South America that rewards patient keepers with easy breeding.

Hemigrammus rodwayi

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

Parambassis ranga

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

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.

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.

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.

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.