Buy Discus Fish Online - Corydoras Species
CATFISH CORYDORAS SPECIES FOR THE BEGINNER Two robust and sturdy species are particularly recommended to the beginner. The aeneus catfish or bronze catfish (Corydoras aeneus) is rather drab: there is also an albino variety created through artificial selection. As with many Corydoras species, the male’s dorsal and pectoral fins are more pointed than the female’s. The peppered corydoras (C. paleatus) has long been familiar to aquarists, and is raised in South-East Asia. The female lays 50 eggs a day, sticking them to a suitable surface, even the walls of the aquarium; she may continue laying like this for several weeks. Size: 5 cm. Corydoras paleatus Corydoras aeneus Albino variety. Corydoras aeneus Corydoras metae (Callichthyidae) The female of the bandit catfish fastidiously cleans plants or the glass of the tank before sticking her eggs to them. Size: 5 cm. Corydoras julii (Callichthyidae) One of the most attractive Corydoras species is the leopard catfish, so known because of its distinctive spot pattern. Rather shy, and difficult to breed, it is easily confused with species having similar markings. Size: 5 cm. Corydoras schwartzi (Callichthyidae) Schwartz’s corydoras is often confused with other species: its coloration varies according to region. Given that there are over 150 feral species of Corydoras, it is not hard to see how confusions arise in distinguishing between fish species. Size: 5 cm. BREEDING CORYDORAS Once considered extremely difficult, this is now within the scope of the experienced and meticulous hobbyist. There is a boisterous-mating display, with the male chasing the female for perhaps several days. Spawning may be triggered by a variation in atmospheric pressure, a water change, or a rise in temperature. The male stations himself near the female, sometimes hanging perpendicularly in the water, to ensure his milt thoroughly fertilizes the tiny eggs. The female takes the eggs between her ventral fins and deposits them on a suitable surface which she has previously meticulously cleaned. The pair may repeat this ritual several times and hatching takes place a few days later. Note that the fry are very sensitive to any changes in their environment.
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