The Americas

Atya scabra

A gentle giant filter feeder that earns its keep cleaning the water column.

Physella acuta

The unstoppable little snail that thrives where others fail.

Procambarus alleni

Florida's boldest crustacean, in an almost unreal shade of blue.

Clibanarius tricolor

A tiny, tireless reef cleaner with vivid blue legs and a big appetite for algae.

Cambarellus shufeldtii

A pint-sized Louisiana crayfish that won't terrorize your plants or tankmates.

Cerithium sp

A tireless sand-sifter that earns its keep in any reef tank.

Condylactis gigantea

A bold Caribbean anemone that thrives without a clownfish partner.

Stenopus hispidus

Bold red-and-white stripes make this reef shrimp impossible to overlook.

Mithraculus sculptus

The reef keeper's secret weapon against bubble algae outbreaks.

Calappa flammea

A brilliantly patterned box crab that buries itself and cracks shells with ease.

Strombus alatus

A peaceful, sand-sifting conch that earns its dramatic name through looks alone.

Palaemonetes paludosus

Nearly transparent and endlessly busy, ghost shrimp are a perfect starter invertebrate.

Marisa cornuarietis

The boldly striped ramshorn that doubles as a natural plant trimmer.

Aliger gigas

A gentle giant of the seafloor, with one of the most iconic shells in the ocean.

Cambarellus patzcuarensis

Tiny, peaceful, and full of personality. The dwarf crayfish that plays well with others.

Pomacea bridgesii

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

Nassarius vibex

A tireless sand-sifting scavenger that keeps reef substrate clean and aerated.

Lysmata wurdemanni

The reef cleaner that actually eats pest aiptasia anemones.

Lysmata boggessi

The reef cleanup crew member that actually eats pest anemones.

Strombus gigas

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

Planorbella duryi

A peaceful, easy-to-keep snail that comes in surprisingly vivid color forms.

Procambarus clarkii

Hardy, bold, and endlessly entertaining. But a menace to planted tanks.

Emerita analoga

The tumbling surf-zone specialist that rides waves backward for a living.

Paguristes cadenati

A tireless little reef cleaner with bold red legs and a peaceful disposition.

Flabellina iodinea

A vivid Pacific nudibranch that's as demanding as it is decorative.

Asolene spixi

A compact, zebra-striped apple snail that actually eats pest snails.

Astraea tecta

A tireless reef tank janitor that scrapes algae from glass and rock with quiet efficiency.

Turbo fluctuosa

A tireless algae grazer that needs a helping hand if it tips over.

Neritina zebra

A tireless algae grazer with bold stripes that earns its keep in any freshwater tank.