Species

Hypostomus regani

A tough, territorial pleco from the river systems of southern South America.

Pomacea canaliculata

A bold, fast-growing snail that can outpace most aquatic plants.

Stiphodon rutilaureus

A tiny, rock-hugging stream goby from the clear rivers of Melanesia.

Pseudotropheus tropheops

A rock-dwelling Malawi cichlid with a surprisingly forceful approach to eating algae.

Baryancistrus sp. "Cf Xanthellus"

A gold-spotted Xingu pleco with a temperament that gets feistier with age.

Crossocheilus cobitis

A bottom-dwelling algae eater from Southeast Asia's great river systems.

Balitora brucei

A flattened hill-stream grazer that thrives where the current runs wild.

Ctenochromis polli

A compact Congo cichlid with fiery courtship colors and fascinating mouthbrooding behavior.

Glyptoperichthys joselimaianus

A hefty Amazonian pleco that breathes air and rules the tank bottom.

Clithon corona

A tiny freshwater snail wearing a crown of unpredictable horns.

Squaliforma villarsi

A rare Venezuelan pleco with surprising peaceful manners and air-breathing tricks.

Ancistrus cf cirrhosus

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

Labeo calbasu

A large, algae-grazing river fish best appreciated outside the home aquarium.

Pseudotropheus lombardoi

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

Semaprochilodus insignis

A migratory Amazon grazer that plays a surprising ecological role in the wild.

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.

Xenotilapia leptura

A schooling Tanganyikan sand-dweller that grazes algae in peaceful, flowing groups.

Homaloptera bilineata

A tiny torrent-dweller that crawls and hops across rocks like no other fish.

Distichodus lusosso

A boldly patterned Congo river fish that quietly outgrows its youthful looks.

Melanoides tuberculata

The tireless substrate burrower that aerates your gravel while you sleep.

Pangasianodon gigas

One of the largest freshwater fish on Earth, and critically endangered.

Garra mullya

A hardy Indian stream fish with a sucker disc built for fast-moving water.

Pomacea bridgesii

A peaceful, algae-grazing snail that comes in a rainbow of shell colors.

Stiphodon ornatus

A tiny, colorful stream goby from Sumatra that rewards patient observers.

Neritina natalensis

The algae-scrubbing snail that won't overrun your tank.

Stiphodon maculidorsalis

A tiny Indonesian stream goby with bold dorsal markings worth seeking out.

Geophagus sp. "Orange Head"

A vividly capped cichlid that rewards patient keepers with fascinating mouthbrooding family life.

Tylomelania gemmifera

A slow-moving, long-lived freshwater snail with a face only a hobbyist could love.

Pterygoplichthys multiradiatus

A dinosaur-sized algae grazer built for decades of service in large tanks.

Tilapia guinasana

A critically endangered sinkhole cichlid with wild color variation and devoted parental care.

Otocinclus vittatus

Tiny algae-grazing catfish that plasters itself to glass and plants alike.

Macrotocinclus affinis

Tiny Brazilian algae-eater with a habit of resting right on the front glass.

A tiny Peruvian algae grazer with bold, zebra-like blotches and a gentle disposition.

Yaoshania pachychilus

Bold panda stripes as a juvenile, but adults fade to something far subtler.

Satanoperca pappaterra

A sand-sifting cichlid that fearlessly charges piranhas in the wild.