Species

Homaloptera bilineata

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

Zebrasoma rostratum

A sleek, all-black Pacific tang with a distinctively elongated snout.

Distichodus lusosso

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

Diadema antillarum

A bold, spiny reef grazer that keeps algae in check around Caribbean reefs.

Diadema setosum

A reef-grazing urchin with impressively long spines and a sharp sense of self-defense.

Trochus maculatus

A hardworking grazer that keeps algae in check without drama.

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.

Ecsenius midas

A reef blenny that mimics anthias in color, movement, and social behavior.

Acanthurus pyroferus

A juvenile master of disguise that grows into a bold reef grazer.

Cypraea moneta

A living relic once traded as currency across cultures worldwide.

Garra mullya

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

Acanthurus guttatus

A surge-zone schooler that thrives where the waves crash hardest.

Pomacea bridgesii

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

Naso lituratus

A wide-ranging Pacific grazer that needs serious space to thrive.

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.

Neritina reclivata

A tough little algae grazer that thrives where fresh and salt water meet.

Halocaridina rubra

Tiny Hawaiian shrimp that thrives on neglect in brackish anchialine pools.

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.

Naso elegans

A bold reef grazer with vivid orange tail spines and a distinctly regal profile.

Pterygoplichthys multiradiatus

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

Otocinclus vittatus

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

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.

Herichthys pearsei

A surprisingly gentle giant from Mexican and Guatemalan river systems.

Pseudotropheus socolofi

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

Acanthurus leucosternon

A breathtaking Indian Ocean surgeon with a sharp temper to match its bold colors.

Acanthurus japonicus

A reef algae grazer that rewards patient, experienced keepers with years of personality.

Dekeyseria brachyura

A colour-shifting pleco that adapts its pattern to match its surroundings.

Zebrasoma xanthurum

A deep-violet beauty from the Red Sea with a temper to match its looks.

Strombus gigas

A gentle giant of the Caribbean, grazing its way across sandy reef flats.

Tilapia zillii

A tank-busting herbivore that will devour your plants and ask for more.

Protomelas taeniolatus

A Lake Malawi rock dweller sold under flashy trade names, worth every bit of the hype.