Species

Lamprologus lemairii

A Lake Tanganyika ambush predator that plays dead to lure its prey.

Hemichromis lifalili

A jewel cichlid that transforms into something else entirely when spawning season hits.

Pterois volitans

A venomous reef predator that rules its corner of the tank with quiet authority.

Zebrasoma rostratum

A sleek, all-black Pacific tang with a distinctively elongated snout.

Sperata aor

A river giant with a shoveled snout that will outgrow almost any tank.

A whiptail catfish with one of the most striking breeding behaviors in the hobby.

Amphilophus lyonsi

A lesser-known Central American cichlid from Pacific-slope rivers worth seeking out.

Acanthicus hystrix

A giant, armor-plated catfish that outgrows almost every home aquarium.

Dimidiochromis compressiceps

The Lake Malawi ambush hunter famous for a truly unsettling feeding habit.

Aristochromis christyi

Lake Malawi's sneaky ambush predator that rolls sideways to fool its prey.

Ageneiosus inermis

A giant, predatory catfish with one of the most unusual reproductive strategies in freshwater.

Odontodactylus havanensis

A Brazilian Atlantic crustacean that brings serious predator energy to the right tank.

Paratilapia polleni

Madagascar's endangered black cichlid, bold in personality and beautiful in the biotope

Protopterus aethiopicus aethiopicus

An ancient African lungfish that breathes air and can outlast a drought.

Calloplesiops altivelis

A cave-dwelling mimic that fools predators by impersonating a moray eel.

Julidochromis transcriptus

A bold little rock-dweller from Lake Tanganyika with sharp black-and-white contrast.

Arothron diadematus

A bold Red Sea puffer with a dramatic masked face and serious bite.

Cichlasoma urophthalmus

A brackish-tolerant bruiser that can handle conditions few other cichlids can.

Tetraodon mbu

A Congo giant that demands respect, space, and a very sturdy tank.

Amphiprion mccullochi

A rare island endemic with a bold personality that punches well above its size.

Cualac tessellatus

A rare Mexican pupfish with a conservation story worth getting behind.

Aphanius fasciatus

A rare Mediterranean killifish that rewards dedicated keepers with fascinating, constant activity.

Aaptosyax grypus

A rare, river-running predator from the Mekong that grows to epic proportions.

Datnioides undecimradiatus

A boldly barred Mekong predator with a long memory and a short temper.

Amphilophus citrinellus

A bold, intelligent cichlid that recognizes its owner and demands respect in return.

Serrasalmus sanchezi

A misidentified mini-piranha relative with razor teeth and a fiery red throat.

Pseudanthias pleurotaenia

A rare, large anthias that demands respect, and space, in the reef tank.

Variabilichromis moorii

A Lake Tanganyika rockdweller with a fascinating family life and devious brood tactics.

Gambusia affinis

The notorious mosquitofish: tough, prolific, and not a friendly neighbor.

Polypterus weeksii

A living fossil from the Congo with a swim bladder that doubles as a lung.

Amarginops ornatus

A sleek Congo predator with ornate markings and serious attitude toward tankmates.

Oreochromis mossambicus

One of the world's most invasive fish, sold as food and kept as a curiosity.

Ogilbyina novaehollandiae

A vivid reef dweller from the Great Barrier Reef with a bold dual-tone look.

Synodontis albolineata

A small, community-friendly squeaker from Cameroon and Gabon that rarely reaches the trade.

Scleropages inscriptus

The only arowana with geometric line markings etched across its head and flanks.

Arothron manilensis

A bold, beak-toothed puffer that thrives from mangroves to lagoon reefs.