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A sabellid is a worm of the genus Sabella, commonly known as feather duster worms.
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∙ 9y ago
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Are rotifers consumers?
1. Predatory/Carnivorous feeding - species like those in the Nereid group actively pursue prey; often they use an evertable proboscis with jaws2. Deposit Feeding - species like those in the terebellid group use tentacles to pick up sediment with organic matter attached and bring it to their mouth3. Suspension Feeding - species like those in the sabellid group use feathery tentacles in the water column to capture plankton and oranic matter flowing in the water column
What are the characteristics of a tubeworm?
This is from www.saltcorner.com: Tube worms are a variety of marine worms that live in tubes. Most of them belong to one of two large groups, which are called sabellids and serpulids, and some specimens from each of these groups can be found regularly in aquarium shops. However, as neat looking and interesting as they are, they are definitely not for everyone. The sabellid worms form a tube made of a tough but flexible material, which is sometimes coated with a layer of detritus, mud, sand, and/or small shell fragments, while the serpulids build rock-hard tubes made of calcium carbonate. Many of the "hard-tube" serpulids also produce a small plug or door-like structure, called an operculum, that they can use to seal themselves inside their tube, while the "soft-tube" sabellids do not. There are a few exceptions, but these are the general characteristics. All of these worms also have specialized structures called crowns, which are extended from the tubes to collect food particles and for gas exchange. They act like a sieve and a gill at the same time. The typically circular-shaped crowns are made up of many branches called radioles, and the radioles themselves are covered by tiny hair-like branches. Thus, many look like some sort of small fan or feather duster.
