Species

Aequorea victoria

The bioluminescent Pacific jelly that inspired a Nobel Prize-winning discovery.

Nandopsis tetracanthus

Cuba's only native cichlid: territorial, long-lived, and surprisingly personable.

Atractosteus tristoechus

A living fossil from Cuba that outgrows almost any home aquarium.

Biotodoma cupido

A peaceful community cichlid that rewards keepers who buy a proper group.

Neolamprologus pulcher

A Lake Tanganyika cichlid with a remarkably complex social family life.

Aphanius danfordii

A rare Turkish killifish relative with fascinating behavior and real conservation value.

Echidna polyzona

A reef moray that hunts crabs, not fish, making it surprisingly tankmate-friendly.

Parupeneus barberinus

A bold, active sand-sifter built for big reef systems with open substrate.

Aphyocharax paraguayensis

A lively little shoaler that pairs well with dwarf cichlids and Corydoras.

Placidochromis electra

A sand-sifting Malawi hap gentle enough to keep with Aulonocara and Copadichromis.

Pictichromis diadema

Bold reef personality packed into a two-tone, pocket-sized package.

Wetmorella albofasciata

A tiny, secretive reef wrasse that haunts caves and rarely ventures into the open.

Moenkhausia pittieri

Sold as a dull juvenile, it matures into something that genuinely sparkles.

Valenciennea puellaris

A sand-sifting goby that tidies your substrate and bonds for life with a partner.

Paratrygon aiereba

A river giant shaped like a discus, with a venomous tail to match its size.

Cynodon gibbus

A surprisingly docile predator with fang-like teeth that can work in a community tank.

Krobia itanyi

A subtly beautiful South American cichlid with surprisingly gentle manners for the genus.

Equetus lanceolatus

A boldly striped reef fish shaped like a living exclamation mark.

Salminus brasiliensis

A spectacular game fish that genuinely has no place in a home aquarium.

Pseudochromis porphyreus

Pocket-sized and bold, this vivid reef dweller punches well above its weight.

Pseudochromis splendens

A solitary reef-dweller from Indo-Pacific drop-offs, compact and reef-compatible.

Schistura pridii

A tiny, feisty loach with bold dragon-like patterning from Thai mountain streams.

Ageneiosus ucayalensis

A large, predatory bottom-dweller with a flattened head and serious appetite.

Cyprinodon brontotheroides

A tiny Bahamian pupfish built to crack open hard-shelled prey no other pupfish can handle.

Pethia phutunio

A tiny, peaceful schooler that thrives best among its own kind.

Ambastaia sidthimunki

Tiny loach with big social rituals and a personality to match

Astrangia solitaria

A small, solitary coral from the Atlantic that thrives without zooxanthellae.

Acanthopsoides molobrion

A pint-sized Bornean loach with a horse-faced look and big personality.

Dendrochirus brachypterus

A venomous pocket predator that spends most of its time just sitting there, looking menacing.

Oryzias minutillus

A tiny ricefish from Southeast Asian swamps that breeds readily in nano tanks.

Aplocheilus parvus

A tiny surface-dwelling predator with a big appetite for mosquito larvae.

Colomesus tocantinensis

A tiny puffer from Brazilian waters, surprisingly manageable for newer keepers.

Fundulopanchax sjoestedti

A large, boldly colored killifish from West Africa's coastal rainforest swamps.

Hippocampus zosterae

Tiny, monogamous, and endlessly watchable. The seahorse that actually fits a small tank.

Channa gachua

A mouthbrooding snakehead small enough for a community tank with the right neighbors.

Gymnogeophagus gymnogenys

A South American eartheater with surprisingly flexible pair-bonding and a cool-water edge.