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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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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. A large specimen can easily destroy glass heaterstats, thermometers etc. This is now considered a junior synonym of L. Most of the available literature still lists the species with the invalid name L. Virtually impossible to sex by external characteristics.

Inhabits large rivers and lakes. Larger specimens can be offered whole fish fillets use white fish. This species should not be fed the meat of mammals such as beef heart or chicken. Adult females are likely to be stockier in build than males.

Human uses

Marmoraus can lead to health problems in the long term. Further confusion arises when attempting to distinguish it from the marmooratus similar, but much rarer Perrunichthys perruno. Feed every other day when juvenile but as the fish grows reduce the frequency. If possible, choose a sump — type arrangement, as this allows most of the equipment to be located outside the tank. Many aquarists buy a young specimen with the intention of buyinga bigger tank as it grows.


Marbled Pim

All too often, juveniles are sold without adequate information regarding their long term care. Apparently they also differ slightly in the morphology of the skull. It also has an amazing set of very long barbels that can move independently of each other.

It lurks among submerged tree roots and other refuges during daylight hours, emerging at night to feed. You must be logged in to post a comment. Particularly suitable companions include Doradids such as Oxydoras nigerMegalodoras urunoscopus or Pterodoras granulosus. 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.

It relishes meaty leiwrius such as prawns, mussels, cockle, lancefish or earthworms. leiariuss

A layer of large, smooth pebbles is a better option. Risks involved with feeding these include the potential of disease introduction.

Also leiariks care not to overfeed. Juveniles enjoy hiding places in the form of bogwoodtangles of roots and branches, rock piles or lengths of plastic piping of a suitable bore.

Leiarius marmoratus : fisheries, aquarium

Piscivorous by nature, but usually adapts well to dead foods in captivity. You can however add some large chunks of bogwoodbeech branches or smooth rocks if you wish.


Choice of substrate can be an issue, as most grades of gravel can either be swallowed or become caught in the delicate gills. Sexual Dimorphism Virtually impossible to sex by external characteristics. An adult specimen needs only a single meal per week at most. 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. A large and efficient biological filter is needed to cope with the amounts of waste produced by a fish of this size. If the tank is also very deep larger characins, cyprinids, South american arowana and various cichlids such as Cichla species can also be added.

Habitat Inhabits large rivers and lakes.

Some hobbyists simply leave the substrate mramoratus altogether, which certainly makes cleaning the tank an easier task. Reproduction Unreported in captivity. Very few fellow hobbyists will have the facilities to do so, either.