Worms

Worms in the marine aquarium hobby are fascinating creatures that play various roles in the ecosystem, providing both functional benefits and aesthetic interest. These worms come in many forms, from harmless detritivores to more potentially harmful species, making them both beneficial and, in some cases, problematic in reef tanks.

Bristle worms are among the most common types found in marine aquariums. While they often get a bad reputation as pests, many bristle worms are actually beneficial, acting as natural cleaners by consuming uneaten food and detritus. However, some bristle worms, particularly fireworms (a more toxic subgroup of bristle worms), can pose a threat to corals and other invertebrates due to their venomous bristles.

Peanut worms are another type often found in reef tanks, usually in the live rock or substrate. These harmless detritivores help keep the aquarium clean by feeding on organic matter and contribute to nutrient recycling.

Other worms, such as flatworms or ribbon worms, may also appear in marine tanks, sometimes as beneficial cleaners or sometimes as pests that can overpopulate and harm other species.

1. 
   Common name: King Ragworm

   Scientific name: Alitta virens
2. 
   Common name: Marine Blue Flatworm

   Scientific name: Cycloporus venetus
3. Common name: Green Leaf Worm

   Scientific name: Eulalia viridis
4. Common name: Norwegian Sea Worm

   Scientific name: Eunice norvegica
5. Common name: Unicorn Worm

   Scientific name: Glycera unicornis
6. Common name: Flatworm

   Scientific name: Leptoplana tremellaris
7. Common name: Medusa Worm

   Scientific name: Loimia medusa
8. 
   Common name: Orsak's Flatworm

   Scientific name: Maiazoon orsaki
9. Common name: Clam Worm

   Scientific name: Nereis vexillosa
10. Common name: Oenone fulgida

    Scientific name: Oenone fulgida
11. 
    Common name: Persian Carpet Flatworm

    Scientific name: Pseudobiceros bedfordi
12. Common name: Peanut Worm

    Scientific name: Sipunculus nudus