The Cory dor as of various species (South American armored catfishes) breed fairly well in captivity, particularly C. aeneus and C. paleatus, or perhaps it is only that these have been most tried out. They lay eggs on plants, or on the glass, and do not harm either them or the young. The eggs hatch in 3 or 4 days, and the young like to disappear into a thick bed of humus or mulm. In C. paleatus, courtship is brief, with the male swimming over the female. Finally, with the male underneath, they take up a crossed position and the female swims up with 4 eggs clasped in her ventral fins.
These she deposits on leaf, and the process is repeated. It is not yet clear where the eggs are fertilized; some observers allege that the female takes sperm into her mouth and sprays it over the eggs, but others deny this. In C. aeneus, it is also said that the male spreads sperm on the glass, and that the female follows and lays her eggs. In Cory dor as the best stimulus to spawning is said to be a gradual overnight cooling from 85°F. down to 65°F.or even60°F.
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Aquarium Fish
