Species

Rhinogobius giurinus ctenogobius giurinus ctenogobius hadropterus

A hardy little goby from Asia's rivers, surprisingly easy to keep.

Siganus virgatus

A peaceful reef grazer that backs up its calm nature with venomous spines.

Acanthurus bariene

A deep-reef surgeonfish that needs serious space and earns its keep over decades.

Opsarius barna

A bold, fast-moving hill stream schooler that needs equally spirited tankmates.

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.

Nemacheilus fasciatus

A neatly patterned stream loach from the cool highlands of Sumatra and Java.

Syncrossus beauforti

A boldly patterned, boisterous loach that demands space and respectful tankmates.

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.

Siganus doliatus

A reef grazer that pairs up young and carries venomous spines as backup.

Quintana atrizona

A tiny Cuban livebearer that disappears into dense plant thickets.

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.

Sandalolitha robusta

A free-living, dome-shaped coral that rests unattached on the reef floor.

Mylochromis lateristriga

A sandy-bay predator from Lake Malawi with a taste for crustaceans.

Melanotaenia synergos

A compact, clear-water rainbowfish from Batanta Island's pristine forest rivers.

Batasio tigrinus

A compact Thai catfish with bold tiger patterning and feisty personality.

Mesonoemacheilus triangularis

A boldly patterned Indian hillstream loach with a famously unpredictable temper.

Chelmon mulleri

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

Enallopsammia rostrata

A deep-sea reef builder that thrives where light never reaches.

Scleromystax barbatus

The giant of the cory world, with a beard and a serious attitude to match.

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.

Stegastes leucostictus

A small, personable damselfish that tends its own algae garden on the reef floor.

Copella nattereri

A subtly patterned characin with fascinating competitive courtship behavior.

Caridina cf cantonensis

Boldly patterned dwarf shrimp that reward careful water management with dazzling colonies.

Hyphessobrycon heterorhabdus

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

Genicanthus bellus

A deep-reef planktivore with harem social structure and rare availability.

Sicyopus zosterophorum

A nimble reef goby that uses modified fins to cling to surge-swept rocks.

Sicyopus zosterophorus

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

Devario devario

A bold, wide-ranging danio that rewards keepers who give it room to school properly.

Ophisternon bengalense

A burrow-building, air-breathing swamp predator that blurs the line between eel and snake.

Canthigaster bennetti

A pint-sized puffer with big personality and a surprisingly calm disposition.