Species

Betta smaragdina

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

Cirrhilabrus exquisitus

A flamboyant fairy wrasse that puts on constant courtship displays in the reef tank.

Tetraodon lineatus

A large, aggressive African puffer that will bite the hand that feeds it. Literally.

Chitala chitala

A massive, humped river predator rarely seen in the trade despite its size and character.

Papyrocranus afer

A rare African giant with a striking undulating fin and a fierce attitude.

Hemigrammus unilineatus

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

Channa lucius

A true apex predator from Southeast Asian forest streams, surprisingly manageable in the right setup.

Gymnarchus niloticus

A five-foot electric predator that will bite the hand that feeds it.

Cyphotilapia frontosa

A long-lived Lake Tanganyika giant with a signature forehead hump and surprising personality.

Hydrocynus goliath

Razor-toothed Congo predator that most aquariums, and fishkeepers, simply cannot handle.

Julidochromis ornatus

A rock-hugging Tanganyikan cichlid that bonds for life with its partner.

Channa stewartii

A hardy Himalayan predator that breathes air and tolerates a range of conditions.

Hemigrammus rodwayi

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

Auriglobus nefastus

A freshwater puffer that makes a living stealing scales from other fish.

Tetraodon fluviatilis

A curious, toothy brackish predator that never stops exploring its tank.

Dichotomyctere nigroviridis

A nippy, curious puffer that gets more belligerent with every passing year.

Herichthys carpintis

A pearl-flecked bruiser that rewards bold hobbyists willing to manage its attitude.

Notopterus notopterus

A nocturnal predator that outgrows most home aquariums faster than expected.

Arothron meleagris

A bold, intelligent puffer that will learn your face and test your corals.

Mylochromis melanonotus

A sand-dwelling Lake Malawi predator with a jaw that caused decades of taxonomic confusion.

Pao palembangensis

A freshwater puffer from Southeast Asia with serious teeth and serious attitude.

Parambassis ranga

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

Parachromis managuensis

A bold, personable predator that owns every tank it inhabits.

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.

Austrolebias adloffi

A tiny annual killifish that races through its entire life cycle in months.

Caquetaia kraussii

A predatory Colombian cichlid that lurks in swamps and ambushes its prey.

Brycinus macrolepidotus

A football-sized African predator that roams rivers from the Nile to the Congo.

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.

Canthigaster leoparda

A deep-water puffer with bold leopard spots and a compact, manageable size.

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.

Oxycirrhites typus

A perching ambush predator that claims gorgonians as its personal throne.

Melanotaenia maccullochi

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