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This page is an index of articles on animal species (or higher taxonomic groups) with the same common name (vernacular name). If an internal link led you here, you may wish to edit the linking article so that it links directly to the intended article.


The term “worm” is commonly used to describe a wide range of invertebrates that are, in many cases, not closely related to one another. Some live in the soil, some in the sea, and some are parasites; some are beneficial to man, some are pests, and some can cause serious disease; the only thing they all have in common is a long, thin, flexible body.


Another species, the Christmas tree worm, has a very ornate arrangement of feeding tentacles that can be found in a wide variety of bright colors. Some sea worms, such as the bristle worm, wander the sea floor with a covering of tiny bristles that can deliver a painful sting if threatened.


Due to incomplete environment information, the counts of marine species in WoRMS were biased by entries lacking a “non-marine” flag. This has now been corrected. ...


Bristle Worms vs Fireworms? Bristle Worms are a type of segmented worm that is generally viewed to be beneficial to a marine aquarium. Fireworms are a particular type of Bristle Worm and generally viewed as a pest to your typical saltwater reef tank. All fireworms are Bristle Worms but not all Bristle Worms are Fireworms. What is a Bristle Worm?


Various types of worm occupy a small variety of parasitic niches, living inside the bodies of other animals. Free-living worm species do not live on land, but instead, live in marine or freshwater environments, or underground by burrowing.


There are so many worms living inside the earth that it’s impossible to list them all here. That said, there are some worm groups that are larger than others such as the earthworm and the inch worm. While there are more than 4,400 different types of worms, there are 2,700 different types or earthworm alone and more than 1,200 species of inch ...


Some polychaete worms have developed a different strategy to avoid being eaten—they live inside a tube, which they make themselves. Most of these tube- dwelling worms are small and threadlike in appearance. The fan worm (Sabella) constructs its hard tube by mixing sand grains with mucus, which it secretes from special sacs.


Welcome to the Marine Species Identification Portal!. This site offers information on thousands of different species in the world's oceans and seas. The aim and contents of this portal, as well as the lastest updates, are treated in detail under about this site.


These worms have a world-wide distribution, mostly in the intertidal zone, but they can extend to the lowest depths of the ocean. 2. Priapulid Worms There are about 19 known species of priapulid worms. One species is illustrated here (2). The size of these worms can range from less than 1 mm (with the introvert protruded) up to almost 40 cm (16 ...