Sabella
Sabella is a genus of marine polychaete worms belonging to the family Sabellidae. These worms are commonly known as feather duster worms due to their distinctive crown of tentacles, which resemble a feather duster. They are found worldwide in a variety of marine environments, from shallow coastal waters to deeper oceanic regions.
Characteristics
Sabella species are characterized by their long, tube-dwelling bodies and their elaborate crown of tentacles, called a radiole crown. The tentacles are covered in cilia, tiny hair-like structures that help the worm filter food from the water. The radiole crown is often brightly colored and can be extended to capture food and then retracted for protection.
Sabella worms also have a pair of long, slender palps that are used for sensing the environment and for manipulating food. They have a well-developed digestive system and a pair of nephridia, which are excretory organs.
Environments
Sabella worms are found in a variety of marine environments, including:
- Shallow coastal waters
- Rocky shores
- Coral reefs
- Seagrass beds
- Deeper oceanic regions
They are typically found attached to hard surfaces, such as rocks, shells, or coral. Some species may also be found in soft sediments.
References
For further information about Sabella, consult the following sources: