What kind of algae eater can I get to go with my son’s goldfish

Are we talking about suckermouthed armoured catfish aka plecos or
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Young Chinese algae eaters, however, do actually eat the aforementioned slime. Sounds great, right? Wrong! As they grow, they become more carnivorous, but keep their taste for slime, and the sides of your goldfish start to look like the perfect snack. Older, larger and more dangerous algae eaters will attach themselves to more defenseless fish, and goldfish are some of the most peaceable and slimiest tank mates they could imagine—altogether a bad mix for you, the fishy pet owner.
Boruchowitz, David E. 1999. Good fish, bad fish (theChinese Algae Eater). TFH 4/99.
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On 8/7/05 and 8/14/05, Deb sent me these photos of her neat Chinese algae eater. The fishstarted out like a regular CAE but over time, has gained some orange areas indicating that one ofits parents was probably an albino CAE. This is one beautiful fish! Which type of catfish and which type of algae eater are you considering?
Photo provided by FlickrI would like to know which fish is the best algae eater to pick and clean on liverocks.
Photo provided by FlickrAggressive Chinese algae eaters are a bad match for peace-loving goldfish.
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While there are a myriad of ways to combat the substance, some of the best weapons against algae are biological weapons: fish! To preserve the balance inside your aqueous habitat, make sure to pick the best algae eaters that are not overly aggressive and will not outgrow your aquarium.But thankfully, the task of vigorously scraping and cleaning algae doesn’t have to fall completely to you, and there are numerous fish and invertebrates who can help you clean algae in an aquarium. But these algae eaters should never be purchased just to eat algae – they need to be provided with the right tankmates and proper conditions for them to thrive.The Oto Cat is another great algae buster. These catfish varieties are usually quite small (typically under 2”) making them the perfect choice for large or . These passive algae eaters have been known to be quite entertaining while performing their duties, going from plant to plant in a funny fashion.Bristlenose Pleco – These fish are generally considered to be the best all-around algae eaters. Not only do they do well in most community fish tanks, but they can also adapt to a wide variety of water types. When you combine that with a suckermouth designed specifically to graze on algae, you have the perfect algae eater for most aquariums.So, before you purchase any algae eaters, make sure to research them in depth: Learn what type of food they need, whether they are compatible with other fish, and most importantly, whether their fish tank is large enough for them.Another large pond fish, growing up to 11 inches in length, the Chinese Algae Eater is a finicky eater when it comes to algae. If there are any clumps of algae, or algae that is attached to rocks, plants, or sides of the pond, then this fish will eat it. However, because of their size, they can be aggressive towards other fish species, so take time doing your research. Testing different pond fish to find out which ones they coincide nicely with will help a great deal.