🌱Nano tank friendly

Aphanius transgrediens

A critically rare Turkish killifish that's more conservation project than casual pet.

Brachyrhamdia rambarrani

A Corydoras mimic from blackwater Brazil, rarely seen but worth the search.

Corydoras adolfoi

A boldly patterned Rio Negro cory that thrives in lively groups.

Caridina multidentata

The aquarium's hardest-working algae crew, with a habit of stealing everyone's lunch.

Corydoras ambiacus

A spotty little armored catfish that occasionally surfaces for a gulp of air.

Erethistes jerdoni

A tiny, peaceful catfish that hides by day and explores by night.

Neolebias ansorgii

A tiny West African gem that rewards patient keepers with rich, unexpected color.

Apistogramma cinilabra

A compact Peruvian dwarf cichlid with ashy lips and a body built like a brick.

Hyphessobrycon auca

A little Argentine tetra with subtle details that reward a close look.

Corydoras atropersonatus

A long-lived little armored catfish that actually breathes air from the surface.

Corydoras metae

The bandit-masked cory with a longer lifespan than most fishkeepers expect.

Nannostomus espei

The only pencilfish that wears its night pattern all day long.

Copella nattereri

A subtly patterned characin with fascinating competitive courtship behavior.

Hyphessobrycon heterorhabdus

A tricolor tetra named for its flag-like red, yellow, and black striping.

Sicyopus zosterophorus

A tiny goby built for life on wet rocks in fast-flowing jungle streams.

Cyprinodon pachycephalus

A rare Mexican pupfish with a notably broad head and a challenging side.

Priolepis nocturna

A tiny crevice-dweller that disappears into the reef and rarely comes out.

Betta siamorientalis

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

Epiplatys dageti dageti

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

Hyphessobrycon herbertaxelrodi

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

Hyphessobrycon megalopterus

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

Carnegiella marthae

A tiny, deep-chested surface dweller that will absolutely find any gap in your lid.

Hyphessobrycon pyrrhonotus

The rarest bleeding heart tetra, with a vivid red wedge only it can claim.

Hyphessobrycon socolofi

The bleeding heart tetra rewards patient keepers with spectacular male rivalry displays.

Schistura jarutanini

A blind cave loach from Thailand that science knows from just 22 specimens.

Pseudomugil cyanodorsalis

A tiny blue-backed rainbowfish relative from Australia's brackish mangrove creeks.

Corydoras nattereri

A long-lived, sociable bottom-dweller that breathes air and blinks at you.

Danio kerri

A powder-blue schooling gem from the Malay Peninsula that's rarely seen but easy to keep.

Alestopetersius smykalai

A rare West African schooler with a bold diamond marking and fascinating male rivalry displays.

Inpaichthys kerri

Tiny tetra with big color rivalry. Males glow brightest when competing for attention.

Trigonopoma gracile

A delicate blackwater rasbora with variable color forms from Borneo's forest streams.

Stiphodon atropurpureus

A thumbnail-sized stream goby that grazes biofilm and occasionally vanishes into the sand.

Nothobranchius patrizii

A tiny annual killifish built for life in pools that disappear.

Hyphessobrycon melanostichos

A feisty little tetra that behaves best when kept in numbers

Boehlkea fredcochui

A petite Amazonian schooler that thrives when kept in numbers.

Mimagoniates microlepis

A rare coastal-stream tetra with an unusual internal fertilization strategy.