Species

Dianema longibarbis

A gentle Amazon catfish that schools in midwater like a tetra.

Cyprinodon alvarezi

A fish extinct in the wild, kept alive by dedicated hobbyists worldwide.

Centropyge potteri

Hawaii's own pygmy angel, beautiful but notoriously tricky to settle in.

Scleromystax prionotos

A bony-plated Brazilian catfish that breathes air and packs a painful sting.

Corydoras pulcher

A long-lived armored catfish that breathes air and blinks its eyes.

Pethia stoliczkana

A peaceful schooling barb from mainland Southeast Asia, best kept in numbers.

Copadichromis virginalis

A peaceable Lake Malawi cichlid that comes in a rainbow of locality color forms.

Chromis scotti

A peaceful, deep-water reef dweller with rich violet hues for community tanks.

Melanochromis vermivorus

A schooling mbuna that breaks the mold with genuine shoaling behavior.

Corydoras pygmaeus

Tiny catfish that defies expectations by schooling in open water, not just the bottom.

Xiphophorus pygmaeus

A pint-sized livebearer with all the personality of its larger swordtail cousins.

Hemitaurichthys polylepis

A schooling butterflyfish that hovers in open water above reef drop-offs.

Hemitaurichthys zoster

A schooling butterfly that prefers open water over reef crevices.

Holacanthus ciliaris

A regal Atlantic giant that demands space and earns every inch of it.

Neoceratodus forsteri

A living fossil that breathes air and may outlive its keeper by decades.

Herotilapia multispinosa

A rare Central American cichlid that actually plays well with others.

Copella vilmae

A jewel-toned splash of color from the blackwater streams of the upper Amazon.

Characodon lateralis

A rare Mexican livebearer with a complicated identity and real conservation value.

Hypseleotris guentheri

A small Pacific stream goby comfortable in fresh, brackish, or salt water.

Epalzeorhynchos frenatus

A bold, territorial bottom-dweller with vivid red fins and a big personality.

Carassius auratus var. ranchu

The roly-poly fancy goldfish bred to look like a swimming raspberry.

Pterygoplichthys weberi

A hard-working algae grazer from Amazonian headwaters with a remarkable breathing trick.

Platydoras costatus

A bold-striped catfish that grunts, buries itself, and eats almost anything.

Aphyosemion elberti

A small, manageable killifish with bold markings from Central African stream systems.

Piaractus brachypomus

A fruit-eating giant that outgrows nearly every home aquarium.

Laetacara dorsigera

A tiny South American cichlid with a boldly colored chest and a gentle personality.

Perisesarma bidens

A feisty little brackish crab with vivid red claws and a personality to match.

Cherax quadricarinatus

A bold, fast-growing Australian crayfish with vivid red claw markings on the males.

Geosesarma dennerle

Jewel-bright mini crabs that thrive in paludarium setups with minimal fuss.

Trachemys scripta elegans

A long-lived turtle that outlasts most aquariums. And many life plans.

Cirrhilabrus solorensis

A reef-dweller that actually uses coral cover, not just open rubble.

Nannostomus erythrurus

A slender, vividly finned pencilfish that rewards patient, detail-oriented keepers.

Yasuhikotakia lecontei

A sociable loach with complex group dynamics and real personality to match.

Epalzeorhynchos munense

A rarely seen shark with a jet-black body and vivid red fins from Southeast Asian rivers.

Aphyocharax rathbuni

A fin-nipping schooler that rewards careful community planning with lively, colorful energy.

Garra rufa

The original 'doctor fish', famous for nibbling skin long before spa treatments existed.