Species

Crenicichla albopunctata

A compact, manageable pike cichlid with serious predator personality.

Crenicichla johanna

A big-mouthed Amazon predator that means business in any large cichlid setup.

Crenicichla lepidota

A torpedo-shaped predator that brings serious personality to a South American biotope.

Crenicichla lugubris

A deceptively pretty juvenile that grows into a large, predatory tank-buster.

Luciocephalus pulcher

A pike-like gourami relative from blackwater forests, built for ambush.

Belonesox belizanus

A surface-hunting predator built like a pike, from Central American wetlands.

Serrasalmus eigenmanni

A sleek Amazon predator that's surprisingly manageable for first-time piranha keepers.

Pseudotropheus socolofi

One of the calmer mbuna, but still needs its own rules respected.

Stomatepia pindu

A critically endangered Cameroonian cichlid that turns jet black when spawning.

Corydoras axelrodi

A long-lived Colombian cory with variable striping and a surprisingly complex identity.

Paracheilinus carpenteri

A tiny reef wrasse that puts on a dazzling courtship flash of pink and blue.

Chalceus macrolepidotus

A fast-moving, surface-skimming predator with oversized scales and a vivid pink tail.

Lepidocephalus macrochir

A shy, rarely traded loach that does best with gentle companions and a soft substrate.

Paretroplus menarambo

A rare Malagasy cichlid with delicate pinstripe patterning and real personality.

Halichoeres melanurus

A reef-safe wrasse that earns its keep hunting pests from the sandbed up.

Serrasalmus humeralis

A fin-eating piranha with a surprisingly low-key reputation for people

Serrasalmus serrulatus

A solitary, fin-biting predator with a famously tangled identity.

Arapaima gigas

A living giant from the Amazon that breathes air like a lung fish.

Serrasalmus piraya

The largest piranha on earth, and legally banned in several countries.

Apogon atricaudus

A secretive Pacific reef cardinalfish that comes alive after dark.

Thoracocharax stellatus

A silvery, deep-keeled jumper that needs a tight-fitting lid and plenty of company.

Xiphophorus maculatus

The beginner-proof livebearer that comes in more color forms than you can count.

Pachypanchax playfairii

A Seychelles-endemic killifish with ridged scales and real personality to match.

Corydoras polystictus

A tiny armored catfish that thrives in groups and breathes air when it needs to.

Botia kubotai

A polka-dotted Burmese loach with a complex social life and plenty of personality.

Synodontis angelicus

A boldly spotted Congo catfish that grows into a fierce bottom-territory defender.

Polypterus palmas polli

An ancient armored predator that breathes air and prowls the riverbed.

Betta pulchra

A secretive peat swamp betta that broods its young in the father's mouth.

Pethia pookodensis

A rare gem from a single Indian lake, perfect for peaceful community tanks.

Diodon holacanthus

A curious, spiny puffer that can devour your cleanup crew without a second thought.

Potamotrygon hystrix

A flat, venomous predator that vanishes into the sand right before your eyes.

Dianema longibarbis

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

Hippocampus abdominalis

The largest seahorse species, with a comically round belly to match its personality.

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.

Pachypanchax omalonotus

A non-annual Malagasy killifish with gold-spangled flanks and a tricky identity history.