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This profile was written by kcgirl81 an active contributor to the site.  




South America

 

Corydoras Pygmaeus

Corydoras Pygmaeus

 

Overview:
    Corydoras pygmaeus is one of three dwarf cory species available in the hobby (the others being corydoras hastatus and corydoras habrosus). Part of their charm derives from their habit of swimming in the mid-level regions of the aquarium, as opposed to other cory species which tend to be primarily bottom swimmers. They are peaceful fish and best suited for a species tank or a community aquarium which includes other similarly sized species. Pygmy cories are best kept in large schools of 10 or more individuals.

Quick stats:


    Listed tank sizes are the minimum
    Size: .75 1.0 inch (1.9 2.5 cm)
    Tank: 10 gallons for a school of six; however larger schools are preferred which would necessitate a larger tank size.
    Strata: Bottom to middle
    PH: 6.0 to 8.0
    Hardness: Prefers soft water (dh range 2 25)
    Temperature: 70°F to 78°F (21°-26° C)

Classification:

    Order: Siluriformes
    Family: Callichthyidae
    Genera: Corydoradinae
    Species: pygmaeus

 

Common name:

    Pygmy Cory


Image gallery:
    Additional species photographs

Discuss:

    Badmans' Forum

Distribution

    South America: Madeira River basin


General Body Form:
    This cory is more torpedo shaped than others in the genus. It has the barbels and the twin rows of lateral plates that are typical of other cories. Sexual dimorphism is minimal; however females are larger and plumper than males.


Coloration:
    The body is silver gray in color with a dark band running from the tip of the nose to the tail. A black spot is located at the base of the tail. Fins are clear.


Maintenance:
    This species prefers soft water and low to neutral pH, although it will tolerate a range of water conditions. Sandy substrate is best in order to prevent damage to barbels. Provide plenty of plants and driftwood throughout the aquarium, with a central open area for swimming. They should be kept in schools of at least six, although larger schools of 10 12 + are preferable. Keep in a species tank or with tankmates of similar size and temperament. These peaceful fish should not be kept with aggressive tankmates or with anything large enough to eat them, including most cichlids.
pygmy cory


Diet:
    Variety is key to induce breeding. Live or frozen brine shrimp and blackworms are relished. Also provide algae wafers and sinking shrimp pellets. High quality flake food may be supplemented.


Biotope:
    South American river tributaries with sandy substrate, tree roots, and leaf matter.


Breeding:
    Spawns in pairs or trios, depositing eggs one at a time on plants and glass around the tank. Courtship behavior consists of the female nudging the midsection of the male in typical cory T form. Females release one egg at a time which is held between the anal fins where it is fertilized by the male. The female then finds and cleans a surface in the tank where she deposits the egg. A female can produce as many as 100 eggs in a spawning cycle. Fry can be removed from the tank and raised separately from the parents. Feed liquifry initially, followed by microworms and then baby brine shrimp.


Your comments:

 

Please remember that the following comments are personal experiences and may or may not apply to your setup. Use them as guide to help better understand your fish, like us all individuals will behave differently under different circumstances.

 


From: &Turk1509
Date:12/08/2010
Great fish, will school at times without a tendency to do their individual thing at times. Active fish and mine don't mind the middle of the tank and look very nice/different when they do come up there. Size is very different to normal corys that make them 'cute' in a way.

 

 

 

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