Species

Diadema antillarum

A bold, spiny reef grazer that keeps algae in check around Caribbean reefs.

Diadema setosum

A reef-grazing urchin with impressively long spines and a sharp sense of self-defense.

Hippocampus histrix

A thorny Indo-Pacific seahorse with dramatic spines and a delicate nature.

Sperata aor

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

Mystus gulio

A schooling brackish catfish that grows surprisingly large and breathes air.

Corydoras loretoensis

A long-finned little bottom-dweller that thrives in lively, social groups.

Corydoras ortegai

A tiny armored catfish from Peru that breathes air and blinks at you.

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

Cirrhilabrus lubbocki

A social, zooplankton-hunting wrasse that thrives in lively reef communities.

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.

Apistogramma macmasteri

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

Trochus maculatus

A hardworking grazer that keeps algae in check without drama.

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.

Paratilapia polleni

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

Cherax peknyi

A bold Australian freshwater crayfish with personality to spare.

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.

Siderastrea siderea

A boulder-forming reef coral that builds colonies wider than you are tall.

Hyphessobrycon compressus

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

Meandrina jacksoni

A rare Atlantic maze coral with a very limited Caribbean range.