Species

Akysis vespertinus

A tiny, venomous stream catfish from Myanmar, rarely seen outside specialist collections.

Channa orientalis

A compact, air-breathing predator with remarkable breeding behavior and surprising adaptability.

Badis assamensis

A secretive Indian cave-spawner with remarkable breeding color displays.

Clea helena

The snail that hunts other snails. A living solution to pest outbreaks.

Chrysaora quinquecirrha

A true open-water predator that demands a specialist setup and rewards patient keepers.

Heteractis aurora

A hardy, photogenic anemone that brings reef texture without demanding expert-level care.

Scleropages jardinii

Australia's own arowana, and arguably the most aggressive of the family.

Aphanius sirhani

A critically endangered desert oasis killifish worth keeping as a conservation project.

Lates calcarifer

A giant predator that outgrows almost every aquarium on earth.

Epiplatys fasciolatus

A surface-hunting West African killifish with metallic fins and a subtle barred pattern.

Bagarius rutilus

A river predator with vivid orange fins, built for serious hobbyists with serious space.

Colisa fasciata

A labyrinth fish with bold bands and a surprisingly peaceful personality.

Hemichromis elongatus

A jewel cichlid with a reputation for being the most aggressive in the genus.

Gymnotus carapo

A electric-field-wielding oddball that can breathe air and recognize its neighbors

Dunckerocampus dactyliophorus

A boldly banded reef pipefish that breeds in captivity and hides in caves.

Colomesus psittacus

A peaceful Atlantic puffer that genuinely tolerates company of its own kind.

Mastacembelus circumcinctus

A secretive burrowing eel that vanishes into the substrate for days at a time.

Syncrossus helodes

A bold, large loach that needs space, company, and an owner who means business.

Canthigaster valentini

A pint-sized puffer so bold that other fish evolved just to copy it.

Pterapogon kauderni

A rare, naturally restricted cardinalfish with fascinating paternal mouthbrooding behavior.

Heniochus singularis

The largest bannerfish, solitary and rarely seen even in the wild.

Channa baramensis

A compact, air-breathing predator from Borneo with bold scale markings.

Elacatinus figaro

Brazil's own cleaner goby, busy grooming tankmates on the reef.

Hippocampus barbouri

A boldly patterned seahorse with one of the most ornate snouts in the genus.

Channa barca

A rare, large-bodied snakehead with bold patterning and a ferocious personality.

Polypterus delhezi

A living fossil from the Congo that breathes air and hunts by smell.

Devario pathirana

A rare Sri Lankan danio with bold vertical bars and a lively, boisterous personality.

Nannostomus espei

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

Amblyeleotris wheeleri

A hardy reef goby that shares its burrow with a nearly blind shrimp partner.

Diploprion bifasciatum

A reef predator that poisons its own tank water when threatened.

Gymnothorax zonipectis

A boldly patterned Indo-Pacific moray with a distinctive barred tail fin.

Pseudanthias bartlettorum

A sociable reef fish that thrives in groups and brings constant mid-water activity.

Chelmon mulleri

A reef butterflyfish that prefers muddy estuaries over pristine coral gardens.

Pogonoperca punctata

A secretive reef ambush predator with a toxic secret beneath its skin.

Taenioides cirratus

A snake-like burrowing goby with whiskery barbels and surprising air-breathing ability.

Cyclocheilichthys apogon

A schooling barb built for large, lively communities. No barbels, plenty of personality.