Saltcorner
By Bob Goemans
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Family Amphinomidae

Eurythoe complanata

(Pallas, 1766)

Bristleworm, Fireworm

Not Reef Tank Suitable

Not Suitable for Fish-Only Tank

Range: Worldwide

Size: 4 inches (10 cm)

Natural Environment: Inhabits sandy areas, usually under rocks on coastal platforms or dead coral on reef flats.

Aquarium Suitability: Generally, only specimens larger than a couple of inches or when being seen in large numbers are these worms problematic.

Overfeeding the aquarium is often the cause of these carnivores to multiply quickly. To reducing their numbers, there are some fish species that eat them and/or traps that can be used to reduce their numbers.

If necessary, the introduction to this Group in the Species Library has ways to trap and remove unwanted specimens.

Note: The fringes on the movement limbs, which are called setae, or cirri, are made of extremely brittle calcium carbonate spikes. If you pick up one of these worms, you will soon find out why it is called a "Fireworm". Its setae spikes can stick into your fingers and break off, causing a very painful, long-lasting sting. The setae are hollow and contain venom, which can cause you great irritation and pain.

Taxonomy:

    Kingdom: Animalia

    Phylum: Annelida

    Class: Polychaeta

    Order: Amphinomida

    Family: Amphinomidae

    Genus: Eurythoe

FYI: The fringes on the movement limbs, which are called setae, or cirri, are made of extremely brittle calcium carbonate spikes. If you pick up one of these worms, you will soon find out why it is called a 'Fireworm.' Its setae spikes can stick into your fingers and break off, causing a very painful, long-lasting sting. The setae are hollow and contain venom, which can cause you great irritation and pain.

 Eurythoe complanata (Bristleworm, Fireworm)
Photo © Daniel Geiger
 Eurythoe complanata (Bristleworm, Fireworm)
Photo © Wikimedia
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Polyp Lab