Species

Parachromis managuensis

A bold, personable predator that owns every tank it inhabits.

Parachromis motaguensis

A bold Central American predator that holds its own against anything in the tank.

Dario kajal

Tiny scarlet predator from India's hill streams, big on attitude.

Belontia hasselti

A large, territorial labyrinth fish that rewards patient, experienced keepers.

Aguarunichthys torosus

A powerfully built Peruvian catfish that treats smaller tankmates as a meal.

Hemichromis bimaculatus

Gorgeous West African cichlid that becomes a ferocious defender once paired up.

Lepidocephalichthys jonklaasi

A rare Sri Lankan loach hidden beneath leaf litter, seldom seen in the hobby.

Ancistrus cf cirrhosus

The bristlenose catfish: a compact, algae-grazing workhorse with a face only a hobbyist could love.

Bagrus meridionalis

A giant Lake Malawi catfish with one of the most complex social lives in freshwater.

Pseudotropheus lombardoi

A notoriously aggressive mbuna with a dramatic reverse color scheme between sexes.

Helostoma temminkii

The infamous 'kissing fish' hides a complicated personality behind its pucker.

Channa pardalis

A leopard-patterned snakehead from India's misty Khasi Hills.

Caquetaia kraussii

A predatory Colombian cichlid that lurks in swamps and ambushes its prey.

Brachyplatystoma filamentosum

One of the largest freshwater fish on Earth, and reportedly a danger to humans.

Hemiancistrus sp

A spot-patterned Orinoco pleco with a taxonomic identity that's still up for debate.

Baryancistrus demantoides

A territorial Venezuelan pleco with vivid spots and a noticeably tall dorsal fin.

Megalancistrus sp. "L234"

A massive, aggressive pleco from eastern Brazil that demands respect and space.

Baryancistrus beggini

A tiny, dark-bodied pleco with an iridescent blue sheen from Guyana Shield rapids.

Hypancistrus sp. "L260"

A fine-patterned Tapajós pleco that breeds readily and stays compact.

Polypterus bichir lapradei

A prehistoric African giant that breathes air and hunts like a predator from another era.

Brycinus macrolepidotus

A football-sized African predator that roams rivers from the Nile to the Congo.

Potamotrygon falkneri

A venomous freshwater predator that can learn to recognize its keeper.

Brachyplatystoma vaillantii

A river giant that needs a seriously big tank and equally big tankmates.

Lamprologus lemairii

A Lake Tanganyika ambush predator that plays dead to lure its prey.

Hemichromis lifalili

A jewel cichlid that transforms into something else entirely when spawning season hits.

Sperata aor

A river giant with a shoveled snout that will outgrow almost any tank.

A whiptail catfish with one of the most striking breeding behaviors in the hobby.

Amphilophus lyonsi

A lesser-known Central American cichlid from Pacific-slope rivers worth seeking out.

Acanthicus hystrix

A giant, armor-plated catfish that outgrows almost every home aquarium.

Dimidiochromis compressiceps

The Lake Malawi ambush hunter famous for a truly unsettling feeding habit.

Aristochromis christyi

Lake Malawi's sneaky ambush predator that rolls sideways to fool its prey.

Ageneiosus inermis

A giant, predatory catfish with one of the most unusual reproductive strategies in freshwater.

Odontodactylus havanensis

A Brazilian Atlantic crustacean that brings serious predator energy to the right tank.

Paratilapia polleni

Madagascar's endangered black cichlid, bold in personality and beautiful in the biotope

Protopterus aethiopicus aethiopicus

An ancient African lungfish that breathes air and can outlast a drought.

Julidochromis transcriptus

A bold little rock-dweller from Lake Tanganyika with sharp black-and-white contrast.