Bristle Worms Spawning (Gross)

Bristleworms, for some, are seen as a welcome member of a diverse clean up crew for marine and reef aquariums. For most others, however, the mere sight of a bristleworm is enough to cause a panic, as stories persist throughout the hobby of these worms causing untold problems. If you fit in the latter group, then you might want to turn away now. In the video above, captured by Marvin’s Reef, a plethora of sand-dwelling bristleworms are seen spawning in a marine aquarium. In a tightly synchronized event, the worms emerge from the sand and quickly spew forth clouds of reproductive materials. The spawning goes on for a few minutes, and toward the end the action really starts to heat up as more worms participate quite vigorously.

Bristleworm breeding activities aren’t unusual in a marine tank. In fact, these worms reproduce all the time. What’s unusual about this behavior, besides the fact that it was all caught on tape, is that it’s occurring during the day. These worms normally only venture out at night and usually retreat rapidly when any light shines on them.

If you have a bristleworm infestation, like Marvin’s Reef is sure to get after this event, there are a few steps you can take to thin down the herd. For one, ease up on the fish food. Because the worms are detritivorous, they eat all of the leftovers and even the stuff that’s rotting away in the nooks and crevices of the rocks. After a bit of nutrient reduction, you could always manually remove the worms. This can be accomplished with baited traps, countless hours of doing it by hand, or with the help of a predator. Most fish won’t touch bristlworms, but some gobies and wrasses have been known to partake of the bristly treat. If you do go the manual route and do it yourself, be very careful as the worms do have natural defenses. Their bristles can embed into your skin and cause slight irritation and even pain.


[video=youtube_share;-KQmK8UXyJw]http://youtu.be/-KQmK8UXyJw[/video]


Source: Aquanerd
 
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Other than people being mislead by bristles being "bad" for reefs, I'd actually like to hear from some experienced reefers as to what "negative" effects they have come across with bristleworms. I personally have had none, other than the occasional prick in the finger, which does suck, but I'm talking about negative impact on your reef.

Also, in years past, I have kept long nosed hawkfish which I witnessed eating bristles like spaghetti. They can be rough on ornamental shrimp, but other than that they will eat excess worms, IME.
 
pfisherman .. thank now I have to clean the coffee from my monitor... you made me laugh so hard I spit it out lol funny sshit
 
bristle worms are one of the most useful things in your tank ( I heard this directly from a marine biologist...just don't touch them owwwy
 
I don't think that people are saying that bristleworms are necessarily "bad" for our reef tanks at all. We all know that they are a valuable part of the CUC and we recognize how helpful they can be as part of our tank staff. I do know that people are conscious and aware that bristleworms can become a nusinace in our tanks.

For people like me who stay on top of their cleaning, there often is not enough food for them to eat and they have been known to go after our corals. I have no need for them in my tank so I don't have any in there. My cleanup crew takes care of anything that the bristleworm would handle. And they freak me out. I don't want one in my tank and getting huge. I've been stung by a firefish in the past, and I don't want to take any chances with that happening again.
 
Not really negative effects to them just when you have a BUNCH of them specially big ole monsters just is a sign theres alot of nasty stuff in your tank for them to feed on (which is normal with sand or dirty tanks). No matter what kind of system this nasty stuff should be removed before the little uglys have a chance to grub on it.
 
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Im sure everyone already knows this but another way to remove this unwanted stuff is constant basting of the rocks if you have never done this you will be surprised how much junk explodes out of your rock
 
Basting is a necessity, I use an old power head from my under gravel filter days. My bristle worm level has risen dramatically since the demise of my clown fairy wrasse, I don't recall seeing him eat any but that is when they really took off. They are deitravores and really do clean up better than hermits or snails. They just ugly as hell. My nazuras snails and brittle sea stars are multiplying as well, if I'm lucky they will out compete the worms eventually.
 
i heard they can eat clams which worries the hell out of me .. but also i heard if you take a nylon stocking and put food in it over night the will eat the food and get stuck in the stocking easy way to rid of them
 
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