Leiarius longibarbis. Marbled Pim . L. longibarbis was described 15 years earlier than L. marmoratus and therefore that name was given precedence.

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Inhabits large rivers and lakes. It lurks among submerged tree roots leiqrius other refuges during daylight hours, emerging at night to feed. You can however add some large chunks of bogwoodbeech branches or smooth rocks if you wish.

Juveniles leiariuus hiding places in the form of bogwoodtangles of roots and branches, rock piles or lengths of plastic piping of a suitable bore.

Choice of substrate can be an issue, as most grades of gravel can either be swallowed or become caught in the delicate gills. A layer of large, smooth pebbles is a better option. Some hobbyists simply leave the substrate out altogether, which certainly makes cleaning the tank an easier task.

Leiarius marmoratus : fisheries, aquarium

A large and efficient biological filter is needed to cope with the amounts of waste produced marmoratuz a fish of this size. If possible, choose a sump — type arrangement, as this allows most of the equipment to be located outside the tank.

A large specimen can easily destroy glass heaterstats, thermometers etc. Piscivorous by nature, but usually adapts well to dead foods in captivity. It relishes meaty items such as prawns, mussels, cockle, lancefish or earthworms. Larger specimens can be offered whole fish fillets use white fish. Try to keep mramoratus diet varied or you may find it becomes too accustomed to a particular food and is reluctant to accept anything else.


Also take care not to ,eiarius.

This can lead to health problems in the long term. Feed every other day when juvenile but as the fish grows reduce the frequency. An adult specimen needs only a single meal per week at most. This species should not be fed the meat of mammals such as beef heart or chicken. lelarius

Some of the lipids contained in these meats cannot be properly metabolised by the fish, and can cause excess deposits of fat and even organ degeneration. Risks involved with feeding these include the potential of disease introduction.

Particularly suitable companions include Doradids such as Oxydoras nigerMegalodoras urunoscopus or Pterodoras granulosus. If the tank is also very deep larger characins, cyprinids, South american arowana and various cichlids such as Cichla species can also be added. Virtually impossible to sex by external characteristics.

Human uses

Adult females are likely to leiariud stockier in build than males. All too often, juveniles are sold without adequate information regarding their long term care.


These cats can and will attain something close to their maximum size in captivity, and will do so quite quickly. Many aquarists buy a young specimen with the intention of buyinga bigger tank as it grows.

Very few fellow hobbyists will have the facilities to do so, either. It also has an amazing set of very long barbels that can move independently of each other. Most of the available literature still lists the species with the invalid name L. This is now considered a junior synonym of L.

Further confusion arises when attempting to distinguish it from the very similar, but much rarer Perrunichthys perruno. The only visible difference appears to be in the number of dorsal fin rays. Apparently they also differ slightly in the morphology of the skull. You must be logged in to post a comment. Habitat Inhabits large rivers and lakes.

Sexual Dimorphism Virtually impossible to sex by external characteristics. Reproduction Unreported in captivity.