Species

Amphilophus lyonsi

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

Genicanthus caudovittatus

A rare peaceful angelfish with dramatic lyre-shaped tail fins and true sexual dimorphism.

Pseudanthias squamipinnis

Schooling reef anthias that shifts from female orange to vivid male purple.

Melanotaenia maccullochi

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

Alticorpus macrocleithrum

A rarely kept deep-water cichlid from the mysterious depths of Lake Malawi.

Apistogramma macmasteri

A compact Colombian cichlid with big personality and fascinating cave-breeding behavior.

Pictichromis porphyrea

A bold little reef fish that punches well above its weight in personality.

Baryancistrus chrysolomus

A boldly finned Xingu catfish that earns its territorial reputation with age.

Betta mahachaiensis

A nipa palm specialist from coastal Thailand with iridescent blue-green armor.

Melanochromis cyaneorhabdos

An all-blue Malawi mbuna with serious attitude and a mouthbrooding twist.

Barilius gatensis

A bold, fast-moving hill stream fish that needs equally assertive tankmates.

Synodontis njassae

Lake Malawi's only squeaker, built for cichlid tanks and rocky hideouts.

Betta mandor

A small, secretive Bornean mouthbrooder best kept in quiet, species-focused setups.

Distichodus fasciolatus

A boldly barred Congo giant that stays surprisingly peaceful for its size.

Paratilapia polleni

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

Ctenopoma weeksii

A cryptic Congo predator that vanishes into leaf litter before your eyes.

Pomatoschistus marmoratus

A cryptic little sand-dweller from Europe's coasts, full of quiet personality.

Protopterus aethiopicus aethiopicus

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

Fundulopanchax marmoratus

A rare Cameroonian killifish with detailed marbled patterning and a preference for cool water.

Calloplesiops altivelis

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

Corydoras pinheiroi

A rare Amazonian cory that can breathe air and live for decades.

Amphiprion tricinctus

Three bold white bars on deep orange. The Marshall Islands' own anemonefish.

Premnas biaculeatus

The boldest clownfish in the hobby, and it knows it.

Genicanthus personatus

A rare Hawaiian endemic that's one of the most coveted angels in the hobby.

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.

Hyphessobrycon compressus

The founding species of its entire genus, rarely seen in the hobby.

Ancistrus ranunculus

A flat-headed, rock-hugging pleco from Brazil's wild river rapids.

Macrognathus meklongensis

A secretive Thai spiny eel that comes out of hiding when hunger calls.

Trichopsis schalleri

The tiny gourami that actually produces sounds to resolve conflicts and court mates.

Tetraodon suvattii

A bottom-hugging Mekong puffer that buries itself in river mud.

Datnioides undecimradiatus

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

Aspidoras menezesi

A tiny Brazilian catfish with a surprisingly long lifespan and a Corydoras personality.

Boraras merah

Thumbnail-sized Borneo native that rewards patience with vivid schooling displays.

Chaetodon mertensii

A reef-associated butterflyfish that pairs up and patrols the deeper reef edges.

Hyphessobrycon metae

A tricky-to-identify Orinoco tetra that rewards patient, well-planned community tanks.