Species

Clithon diadema

A boldly patterned algae grazer that keeps glass and hardscape spotless.

Procambarus clarkii

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

Echinometra mathaei

A tireless excavator that literally carves its home into reef rock.

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.

Heteractis crispa

A large, long-tentacled anemone that hosts clownfish but demands strong light and stable water.

Thor amboinensis

Tiny reef shrimp with a wiggling rear end that never stops moving.

Asolene spixi

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

Tridacna squamosa

A beginner-friendly giant clam with dramatic, fluted shell edges and vivid mantle colors.

Asterina gibbosa

A tiny, hardy sea star that's more interesting than it first appears.

Astraea tecta

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

Limnopilos naiyanetri

A fingernail-sized freshwater crab that disappears into moss and rarely shows itself.

Cypraea tigris

A boldly spotted shell with a living animal most reef keepers never expect.

Caridina serrata

Bold tiger stripes and easy care make this shrimp a great starting point.

Caridina mariae

Bold tiger-striped shrimp that comes in a dazzling range of color forms.

Trochus niloticus

A hardworking reef cleaner that earns its keep tackling tough algae.

Turbo fluctuosa

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

Mespilia globulus

A bold, patterned reef cleaner that doubles as living aquarium decor.

Cassiopea andromeda

Rests bell-down on the substrate, pulsing gently while algae do the work.

Geosesarma notophorum

Vivid purple freshwater crab that lives on land as much as in water.

Atya gabonensis

A peaceful giant that filter-feeds with fan-like hands instead of grazing.

Cherax destructor

Australia's tough backyard crayfish, endlessly adaptable and full of personality.

Neritina zebra

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