Species

Ecsenius namiyei

A sleek, dark blenny that grazes algae from reef rockwork with quiet confidence.

Neoglyphidodon melas

A boldly colored damsel with a feisty attitude that only grows with age.

Poecilocharax weitzmani

A cave-guarding micro-predator from blackwater South America with serious attitude.

Melichthys niger

A calm, reef-going triggerfish that's actually safe for community tanks.

Betta persephone

A velvety black pygmy betta from some of the world's most acidic swamps.

Myleus schomburgkii

A disc-shaped, plant-munching pacu with a bold black flank bar and surprisingly peaceful nature.

Halichoeres poeyi

A bold Atlantic wrasse with a sharp temper for its own kind.

Pethia nigripinnis

A cool-water gem from India's Western Ghats, rarely seen outside specialist collections.

Paragobiodon lacunicolus

A tiny goby that spends its entire life tucked inside a single coral colony.

Melichthys indicus

A surprisingly mellow triggerfish that goes easy on its tankmates.

Apteronotus albifrons

A velvety black, ribbon-finned predator that navigates by its own electric field.

Thorichthys pasionis

A lesser-known Central American cichlid with bold personality and a distinctive dark throat.

Pervagor melanocephalus

A secretive reef filefish that pairs up and lurks among coral-rich ledges.

Betta siamorientalis

A tiny bubble-nesting betta with a blackish body and vivid red fin details.

Pangio oblonga

A slender, uniformly dark loach that loves company and hides in plain sight.

Apistogramma gibbiceps

A cave-spawning dwarf cichlid from the blackwater rivers of the Amazon basin.

Ambastaia nigrolineata

A rare, sociable loach with bold racing stripes and fascinating group behaviors.

Thayeria boehlkei

The tetra that swims nose-up and wears a bold racing stripe to its tail.

Rasbora borapetensis

A peaceful schooling fish with a vivid red tail that really shines in a group.

Chaetodon kleinii

A wide-ranging butterflyfish that thrives deeper than most of its relatives.

Epiplatys dageti dageti

A hardy, surface-loving killifish that's a perfect gateway into egg-scattering species.

Balitoropsis zollingeri

A flat-bodied stream crawler that hops and clings across rocks like no other loach.

Carassius auratus var. blackmoor

The velvety, telescope-eyed goldfish that turns heads in any pond or tank.

Hyphessobrycon herbertaxelrodi

A boldly patterned schooling fish that thrives in a lively community setup.

Lamprologus speciosus

A pint-sized shell-brooding cichlid from Lake Tanganyika with outsized attitude.

Macropodus spechti

A close paradise fish relative that thrives where others struggle.

Hyphessobrycon megalopterus

Ghost-grey tetras with bold black fins that come alive during male rivalry displays.

Pethia nigrofasciata

A peaceful Sri Lankan barb whose males blush deep crimson when rivals are near.

Apistogramma hongsloi

A compact Colombian dwarf cichlid that pairs up and parents together.

Labeo chrysophekadion

A dramatically dark, shark-shaped giant that outgrows most home tanks.

Channa melasoma

A compact, nocturnal predator built for dark, acidic forest streams.

Wetmorella nigropinnata

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

Pygocentrus cariba

The Orinoco's apex predator, wrapped in myth and surprisingly manageable alone.

Acanthurus nigrofuscus

A schooling grazer that overwhelms rivals through sheer numbers.

Ostracion cubicus

Adorable cube-shaped reef fish that hides a dangerous chemical defense.

Auchenoglanis biscutatus

A giant, gentle African catfish that cruises the bottom with calm authority.