Species

Arothron mappa

A boldly patterned puffer that roams reef drop-offs with calm, solitary confidence.

Hippocampus fuscus

A monogamous, eelgrass-dwelling seahorse from the Indian Ocean with pair-bonding rituals.

Mnemiopsis leidyi

A glowing, gelatinous predator that belongs in a very specialized setup.

Polypterus senegalus meridionalis

A living fossil that breathes air and hunts like a prehistoric predator.

Hyalobagrus flavus

A tiny, sociable catfish that actually swims in the open. And has a fish that mimics it.

Elacatinus evelynae

A tiny Caribbean cleaner fish that services sharks and rays without hesitation.

Echeneis naucrates

The fish that hitchhikes on sharks, and occasionally tries to attach to divers.

Sphaerichthys acrostoma

A rare Bornean mouthbrooder from blackwater streams, gentle and quirky in equal measure.

Lamprologus meleagris

A tiny shell-brooding cichlid with a surprisingly big attitude.

Lamprologus kungweensis

A tiny Lake Tanganyika shell brooder that digs its own burrow network.

Nannostomus nitidus

A rarely-seen pencilfish with a glittering lateral stripe and fascinating nocturnal color shifts.

Polypterus palmas

An ancient, air-breathing predator that looks like it crawled out of the Devonian.

Neosilurus brevidorsalis

A compact Australian bottom-dweller that earns its keep in a peaceful community tank.

Lepisosteus oculatus

A living fossil built for ambush, not the average home aquarium.

Sorubim lima

A head-down ambush predator that swims like a falling leaf among the roots.

Badis siamensis

A rare Thai cave-spawner with detailed patterning and fascinating paternal instincts.

Osteoglossum bicirrhosum

An ancient, leaping predator that quickly outgrows almost every home aquarium.

Plagioscion squamosissimus

A riverside predator built like a torpedo, surprisingly manageable for its size.

Ageneiosus atronasus

A compact Amazonian predator that fits surprisingly well in a community setup.

Gasteropelecus sternicla

A surface-skimming acrobat that leaps to catch insects mid-air.

Periophthalmus argentilineatus

The fish that climbs trees and spends more time on land than in water.

Datnioides polota

A bold, bar-patterned predator that bridges freshwater rivers and brackish coastal zones.

Hasemania nana

A glittering, lively little tetra that plays well with almost everyone.

Hemibagrus peguensis

A rarely seen Myanmar catfish with bold spotted flanks and an orange tail.

Epiplatys sexfasciatus

A surface-dwelling West African killifish with bold barring and easy breeding potential.

Epiplatys sexfasciatus sexfasciatus

A sleek African killifish that hunts from the surface with cool precision.

Phenacogaster tegatus

The tiny 'six-eyed tetra' from Paraguay with a trick spot pattern.

Pseudocheilinus hexataenia

A bold, reef-safe hunter that punches well above its size in attitude.

Lysmata amboinensis

The reef's tiny cleaning crew, grooming fish who line up for the service.

Yasuhikotakia morleti

A feisty, burrowing loach with complex social behavior and a bold personality.

Dormitator lebretonis

A West African brackish-water goby with bold adult coloration and an appetite to match.

Betta bellica

A slender peat swamp betta that rewards patient, thoughtful keepers

Serrasalmus elongatus

A sleek, solitary predator that's one of the easiest piranhas to identify correctly.

Buccochromis lepturus

A rarely seen Lake Malawi predator that hunts juvenile cichlids on sandy flats.

Pangio myersi

A social, eel-like loach that piles into hiding spots with its companions.

Halichoeres bivittatus

A bold, fast-moving wrasse that earns its unforgettable name.