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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Juveniles enjoy hiding places in the form of bogwoodtangles of roots and branches, rock piles or lengths of lfiarius piping of a suitable bore. Virtually impossible to sex by external characteristics. Adult females are likely to be stockier in build than males. Further confusion arises when attempting to distinguish it from the very similar, but much rarer Perrunichthys perruno.

Feed every other day when juvenile but as the fish grows reduce the frequency.

Reproduction Unreported in captivity. It relishes meaty items such as prawns, mussels, cockle, lancefish or earthworms.

Risks involved with feeding these include the potential of disease introduction. If the tank is also very deep larger characins, cyprinids, South american arowana and various marmofatus such as Cichla species can also be added. Apparently they also differ slightly in the morphology of the skull. Larger specimens can be offered whole fish fillets use white fish.

Sexual Dimorphism Virtually impossible to sex by external characteristics. A layer of magmoratus, smooth pebbles is a better option. Very few fellow hobbyists will have the facilities to do so, either. These cats can and will attain something close to their maximum size in captivity, and will do so quite quickly.


The only visible difference appears to be in the number of dorsal fin rays. It lurks among submerged tree roots and other refuges during daylight hours, emerging at night to feed. A large specimen can lleiarius destroy glass heaterstats, thermometers etc.

Marbled Pim

It also has an amazing set lejarius very long barbels that can move independently of each other. Particularly suitable companions include Doradids such as Oxydoras nigerMegalodoras urunoscopus or Pterodoras granulosus.

This species should not be fed the meat of mammals such as beef heart or chicken. If possible, choose a sump — type arrangement, as this allows most of the equipment to be located outside the tank. Piscivorous by nature, but usually adapts well to dead foods in captivity. Many aquarists buy a young specimen marnoratus the intention of buyinga bigger tank as it grows.

Human uses

Marjoratus too often, juveniles are sold without adequate information regarding their long term care. Some hobbyists simply leave the substrate out altogether, which certainly makes cleaning the tank an easier task.

A large and efficient biological filter is needed to cope with the amounts of waste produced by a fish of this size.


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. An adult specimen needs only a single meal per week at most.

Leiarius marmoratus

This can lead to health problems in the long term. Choice of substrate can be an issue, as most grades of gravel can either be swallowed or become caught in the delicate gills. Inhabits large rivers and lakes. Habitat Inhabits large rivers and lakes. This is now considered a junior synonym of L.

You can however add some large chunks of bogwoodbeech branches or smooth rocks if you leiqrius. Most of the available literature still lists the species with the invalid name L. Try to keep the diet varied or you may find it becomes too accustomed to a particular food and is reluctant to accept anything else. You must be logged in to post a comment. Also take care not to overfeed.