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    Plecos

    Plecos
    • Origin: South America, Central America
    • Behavior: Most are nocturnal and are most active at night. Plecos can be aggressive towards other plecos. Some will eat or uproot live plants. They are heavy waste producers and need ample filtration and oxygenation. Many species grow very large.
    • Tank Temperature: 72-82°F
    • pH: pH 6.5-7.5
    • Compatibility: Keep one pleco per tank except in very large systems
    • Feeding: Varies with species




    Plecos

    Origin: South America, Central America
    Tank Temperature: 72-82°F
    pH: pH 6.5-7.5
    Tank Requirements: Pristine water conditions; low nitrates and high dissolved oxygen levels.
    Feeding: Varies with species. Herbivores will eat algae and can be feed Spirulina and algae-based foods and raw or blanched vegetables. Carnivores need meaty foods like fish flesh, blackworms, earthworms, and similar items. Omnivores need a mix of plant matter and meaty foods.
    Behavior: Most are nocturnal and are most active at night. Plecos can be aggressive towards other plecos. Some will eat or uproot live plants. They are heavy waste producers and need ample filtration and oxygenation. Many species grow very large.
    Compatibility: Keep one pleco per tank except in very large systems. Some species grow very large and should not be kept with other catfish/bottom feeders or with small fish.

    The fish commonly known as "plecos" come from the family Loricariidae, also known as the "armored catfish". They include fish from the genera Ancistrus, Baryancistrus, Chaetostoma, Hypostomus, Leporacanthicus, Panaque, Peckoltia, Pseudancistrus and many others. They are known to many as "suckerfish" due to the shape of their body and mouth and are often sold as algae-eaters even though many of them eat little algae.

    In addition to the two-part scientific names used for all living things, plecos also have their own naming system that identifies them by "L-number" or "LDA-number". Though this is not an "official" naming method, it is popular among hobbyists and collectors.

    Plecos are generally flattened with a large, round head and skinnier body. The body is covered by hard plates and many have strong spines in their fins and even along the body. The mouths are on the underside of the fish and are used to rasp food from hard surfaces and to help the pleco maintain its position in the water flow.

    Plecos are commonly purchased by new and experienced aquarists alike as algae-eaters, however most plecos do not eat algae or need other foods in their diet as well. The genera Ancistrus, Peckoltia and Otocinclus are a few common, smaller plecos that will help control algae without eating live plants. Many others are omnivores (eat both plant matter and meaty foods), carnivores (primarily eat meaty foods) or scavengers (eat whatever they can find).

    Many plecos also get very large and their size as well as their waste production make them unsuitable for small aquariums. The very common Trinidad Pleco/Common Pleco (Hypostomus plecostomus) grows close to two feet in length. As with any other tank residents, choose plecos carefully with respect to their size, behavior and diet.

    We always suggest that you do further research before adding a new pet to your tank. What we have provided for you are guidelines and suggestions. If you have any further questions or concerns, please contact our fish room at 717-299-5691 ext. 1213 or marinebio@thatpetplace.com.

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