Jesse Posted May 9, 2019 Share Posted May 9, 2019 Aiptasia Bad hitchhiker. This is a type of anemone that multiplies very quickly, and stings and kills anything that gets near it. Depended on how many you have, they're best removed by manually scraping them off the rock, and then using epoxy/superglue/kalk paste over where they were to prevent them coming back. A few predators that you can get for them include the peppermint shrimp, berghia nudibranch, and with a large enough tank, copperband butterflyfish. Asterina Starfish Another common neutral hitchhiker. Jury is out on these guys as to good or bad. Some people love them, some hate them. They've been rumored to munch on coralline algae. They are also known to multiply very rapidly. Manual removal when seen is best to control their numbers. Ball Anemone Common neutral hitchhiker. They are found in shaded areas of live rock, and tend to not bother anything and numbers are kept in check with nutrient control. Are removed by the same means as the aiptasia and majano. Bobbit Worm Very bad hitchhiker. These guys can grow to be very large and can kill fish. Most common means of removal is to remove the entire rock where the worm is housed. Be careful of the pincer teeth at the head of the worm. Bristleworm Very common good hitchhiker. The jury is out on whether they're beneficial or not. Most consider them a vital part of your clean up crew. The hide within your live rock, coming out to pick up scraps of food and other detritus. Their numbers can become overwhelming based off how much food is available in the tank. If you overfeed, and they have access to an abundance of food, their numbers will increase dramatically. Be careful not to touch as the bristles on the sides of their bodies can be very irritating and cause an allergic reaction in some. Brittle Starfish Good hitchhikers. Are most commonly found by the arms extending out from cracks and holes in rock work. Feed off leftover food and detritus in the tank. Chiton Good hitchhiker. Consumes algae. Does not appear to bother anything. Fireworm Bad hitchhiker. Similar to the bristle worm, however if stung by the bristles on this little guy, its 10 times worse. DO NOT TOUCH UNDER ANY CIRCUMSTANCES! If found it is best to remove with a trap. Gorilla Crab Bad hitchhiker. Can be found in live rock cracks, caves and holes. They are predatory and will hunt your shrimp and inverts. They can also grow rather large. Hydroids Bad hitchhikers. Good news is that they don't tend to live very long and die off on their own as the tank progresses. Limpet Good hitchhiker. Consumes algae. Don't seem to bother anything. Majano Bad Hitchhiker. This is another pest anemone that multiplies quickly and stings anything near it. Best removed by manual scraping off and super glue/epoxy/kalk past over its spot. Peppermint shrimp will reportedly consume them as well. Pods - Copepod/Isopod/Amphipod Very good hitchhikers. Often referred to as simply "pods" These little guys live within your rock work and make great food for your fish and corals. They can be the primary diet of certain mandarins. Peanut Worm Good hitchhiker. Lives in live rock and feeds off of extra food and detritus. Pineapple Sponges Very common good hitchhiker. These little guys are a type of sponge. They are most commonly found in overflows and in high flow areas of the sump. However, they can sometimes bee seen in shaded areas of your rockwork. Serpent Starfish Good hitchhikers. Are most commonly found by the arms extending out from cracks and holes in rock work. Feed off leftover food and detritus in the tank. Spaghetti Worm Good hitchhiker. Commonly found in the sand bed or live rock. They extend out multiple tentacles to catch floating detritus. Good member of your clean up crew. Spirorbid Worm Very common neutral hitchhiker. These guys are most commonly found in overflows, and high flow areas of your sump. Can multiply very quickly and have been rumored to disrupt equipment such as pumps. Nutrient control keeps their numbers in check. Sponges Good hitchhiker. Very common filter feeders. Found in shaded areas of live rock Stomatella Snail Very good hitchhiker. These guys are a great clean up crew member. They can be very elusive and most commonly found after lights out and are very fast moving. They feed off different algae in the tank. Tunicate Good hitchhiker. Harmless filter feeder. At first glance looks like a sponge, except it pulses as it takes in and expels water, and reacts to touching it. Vermedit Snail Very common neutral hitchhiker. They are generally harmless, but can multiply quickly based off nutrients in the tank, and can irritate corals. Manual removal or starving them out by putting a dab of superglue on the end of the tube is best to keep their numbers in check, as well as nutrient control. crimsonvice, jeff70, jakesweep and 1 other 4 Quote Link to comment Share on other sites More sharing options...
Muttley000 Posted May 9, 2019 Share Posted May 9, 2019 Very nice! Quote Link to comment Share on other sites More sharing options...
crimsonvice Posted May 9, 2019 Share Posted May 9, 2019 Nice list and a great reference tool! Quote Link to comment Share on other sites More sharing options...
Joe Posted May 10, 2019 Share Posted May 10, 2019 Very nice post. Need to keep this one bumped to the top. Quote Link to comment Share on other sites More sharing options...
Muttley000 Posted May 10, 2019 Share Posted May 10, 2019 54 minutes ago, Joe said: Very nice post. Need to keep this one bumped to the top. It be a sticky! Quote Link to comment Share on other sites More sharing options...
Joe Posted May 10, 2019 Share Posted May 10, 2019 11 minutes ago, Muttley000 said: It be a sticky! We can just bump it from time to time. Quote Link to comment Share on other sites More sharing options...
jeff70 Posted May 29, 2019 Share Posted May 29, 2019 NICE!!!! Quote Link to comment Share on other sites More sharing options...
Travis Posted May 30, 2019 Share Posted May 30, 2019 Very good write up on hitchhikers!! Quote Link to comment Share on other sites More sharing options...
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