Guides

Marine Invertebrates

Red Marble Starfish (Fromia indica)

The red marble starfish is a small, reef-safe sea star that grazes biofilm. Here is how to acclimate and keep Fromia indica.

The green brittle star is a large, hardy scavenger that will also catch small fish. Here is how to keep Ophiarachna incrassata safely.

The lettuce sea slug is a ruffled, solar-powered sea slug that eats Bryopsis algae. Here is how to keep Elysia crispata alive and fed.

The slate pencil urchin has thick, blunt spines and a big appetite for algae. It is not fully reef safe. Here is how to keep Eucidaris tribuloides.

The peacock mantis shrimp is one of the most colourful and powerful animals on the reef. Here is how to keep Odontodactylus scyllarus safely.

The camel shrimp is a hardy, red-and-white striped shrimp that lives in groups. It is not fully reef safe. Here is how to keep it.

The bumblebee shrimp is a tiny, striped marine shrimp that eats starfish tube feet. Here is how to feed and house Gnathophyllum americanum.