Common name: Fireworm

General information

The Fireworm, scientifically known as Oenone fulgida, is a species of polychaete worm that is both fascinating and feared by many aquarists due to its potent bristles. These bristles can cause irritation and discomfort when they come into contact with human skin, making the Fireworm a species to handle with caution. Despite this, they are an interesting addition to the reef aquarium, often introduced inadvertently with live rock.

Care

Fireworms are not typically added to aquariums intentionally, but when they do appear, they can be difficult to remove. They are nocturnal and tend to hide in the rockwork during the day. If you do find them in your tank, it's important to remove them carefully, using tweezers or a trap, to avoid getting stung by their bristles. They feed on detritus, dead organisms, and sometimes on small invertebrates or coral polyps, so keeping a well-maintained tank with minimal detritus can help discourage their proliferation.

Reproduction

Oenone fulgida reproduces sexually, and in the aquarium, their larvae can sometimes be found in the water column. These larvae will eventually settle and grow into new worms if conditions allow. Maintaining good water quality and avoiding overfeeding can help control their population in the aquarium.

Habitat

Fireworms are found in a variety of marine environments, from shallow reefs to deeper waters. They are often associated with coral rubble and live rock where they can find ample hiding places and food sources.