What sets these creatures apart is their tendency to congregate in pipelines. Like the other species of bloodworms, the tubificid is a marine worms, and like the midge fly larva, it feeds on decomposing organic matter. These critters have an array of names you can call them by, be it their scientific name, ‘tubifex tubifex’, or any of the other nicknames people have give them over time, such as ‘sewage worms’ and ‘sludge worms’. Thirdly, tubificid worms are likely the most feared out of all the bloodworms, at least on the internet. So, out of all the bloodworms, this would be the one you would want to avoid, and likewise, out of all the bloodworms, this is luckily the one you are least likely to find in your toilet! Finally, what sets glycera worms apart from midge fly larvae other than their length is that they are not red in color, but pink. Although this bite is not dangerous, per se, it can cause an allergic reaction akin to a bee sting. This makes sense, as bristle worms are typically associated with the possession of some kind of venom. As opposed to the short length of midge fly larvae, glycera worms can be as long as fourteen-inches long! They are classified as bristle worms and have a venomous bite. However, the glycera worm is notably larger than the midge fly larva. Secondly, glycera worms, like midge fly larvae, are also marine worms and also make good fish food.

These worms commonly swim up people’s drains and end up in their toilet bowls, but they are nothing to worry about! Midge fly larvae are completely harmless, as they do not bite or possess venom, and are not parasitic.

Their heads tend to be darker than the rest of their bodies which makes it easier to tell one end from the other. Midge fly larvae are thin, segmented, and have cylindrical, curving bodies. These worms are very tiny (usually not even reaching an inch in length) and make great fish food for domestic fish given their high iron content, and they are a common purchase among fish owners and farmers. Usually they will just eat decomposing organic matter, but sometimes they have been known to prey on smaller invertebrates.

First of all, red midge fly larvae are marine worms that scavenge for food at the bottom of freshwater bodies, such as ponds, lakes and streams.

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