Species

Butis butis

The brackish ambush predator that hunts just as happily upside down as right-side up.

Girardinus creolus

A rare Cuban livebearer that occupies the middle of the water column.

Terapon jarbua

A wide-ranging estuarine predator that bridges salt and freshwater with ease.

Chaetodon vagabundus

A wide-ranging reef butterfly that pairs for life and patrols its territory together.

Trichopsis vittata

The gourami that settles arguments with sound instead of fins.

Bagarius suchus

A rapids-dwelling predator built more for public aquariums than home tanks.

Indostomus crocodilus

A tiny armored oddity from Thai blackwater streams, best kept in small groups.

Chaetodon xanthurus

The only butterflyfish with a true crosshatch pattern on its sides.

Canthigaster coronata

A compact Hawaiian puffer with bold saddle markings and a voracious appetite for reef invertebrates.

Trochilocharax ornatus

A scaleless micro-tetra with internal fertilization and serious personality for its size.

Hyphessobrycon haraldschultzi

A rare Araguaia gem that rewards patient schooling setups with vivid red coloring.

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.

Bodianus pulchellus

A reef-safe wrasse relative that moonlights as a cleaner fish when young.

Synodontis petricola

The catfish that tricks cichlids into raising its young. Nature's ultimate con artist.

Pethia cumingii

A peaceful Sri Lankan gem with bold black blotches and sunshine-yellow fins.

Biotodoma cupido

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

Archocentrus septemfasciatus

A feisty Costa Rican cichlid that punches well above its weight at spawning time.

Acanthurus xanthopterus

A wide-ranging giant surgeonfish that breaks the herbivore rules.

Neolamprologus pulcher

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

Oryzias woworae

A tiny Indonesian ricefish that glows red and blue at spawning time.

Paretrolplus damii

A rare Malagasy cichlid with fascinating pit-digging breeding behavior.

Paretroplus maculatus

A rare Malagasy cichlid that rewards patient keepers with real personality.

Aphanius danfordii

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

Danio feegradei

A restless Burmese danio with complex social dynamics beneath its peaceful reputation.

Celestichthys flagrans

A rare northern Myanmar danio with fiery stripes and a slender build.

Echidna polyzona

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

Sparisoma viride

A reef sculptor that literally chews coral into Caribbean sand.

Parupeneus barberinus

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

Hemigrammus bellottii

A small, nimble Amazonian tetra with a distinctive body marking worth looking twice at.

Sahyadria chalakkudiensis

A rare Kerala barb with feisty personality and a tangled taxonomic history.

Puntius exclamatio

A rare Indian barb with a uniquely puzzling two-blotch pattern that may not even be a true species.

Aphyocharax paraguayensis

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

Mystus bleekeri

A sociable South Asian catfish that thrives in groups and fits larger community tanks well.

Pareutropius buffei

A slender West African catfish that blooms with confidence in a shoal.

Rita kuturnee

A peaceful river catfish from India's Deccan plateau, rarely seen but worth seeking out.