Species

Astraea tecta

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

Neogonodactylus oerstedii

A compact, punchy reef predator with claws built for cracking and crushing.

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.

Alpheus bellulus

The shrimp that blasts prey with a sonic snap and shares its burrow with a watchful goby.

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.

Holothuria thomasi

A bold, patterned sea cucumber that earns its tiger-stripe name in the reef tank.

Trochus niloticus

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

A mysterious introduced ornamental snail with uncertain origins in Chile.

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.

Atya gabonensis

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

Dardanus megistos

A bold, red-clawed hermit crab that outgrows most shells. And most tanks.

Cherax destructor

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

Vittina natalensis

A boldly patterned nerite that earns its keep as an algae-clearing powerhouse.