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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These cats can and will attain something close to their maximum size in captivity, and will do so quite quickly. 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. Piscivorous by nature, but usually adapts well to dead foods in captivity. A large and efficient biological filter is needed to cope with the amounts of waste produced by a fish of this size.

Leiarius longibarbis (Marbled Pim) — Seriously Fish

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 can however add some large chunks of bogwoodbeech branches or smooth rocks if you wish. maarmoratus

If the tank is also very deep larger characins, cyprinids, South american arowana and various cichlids such as Cichla species can also be added. Many aquarists buy a young specimen with the intention of buyinga bigger tank as it grows. A layer of large, smooth pebbles is a better option.


Reproduction Unreported in captivity. Habitat Inhabits large rivers and lakes. Particularly suitable companions include Doradids such as Oxydoras nigerMegalodoras urunoscopus or Pterodoras granulosus.

Leiarius marmoratus

Virtually impossible to sex by external characteristics. The only visible difference appears to be in the number of dorsal fin rays. All too often, juveniles are sold marmoratuz adequate information regarding their long term care. Risks involved with feeding these include the potential of disease introduction. Some hobbyists simply leave the substrate out altogether, which certainly makes cleaning the tank an easier task.

If possible, choose a sump — type arrangement, as this allows most of the equipment to amrmoratus located outside the tank. Sexual Dimorphism Virtually impossible to sex by external characteristics. Apparently they also differ marmoratua in the morphology of the skull. This species should not be fed the meat of mammals such as beef heart or chicken. Inhabits large rivers and lakes.

Marbled Pim

This is now considered a junior synonym of L. It relishes meaty items such as prawns, mussels, cockle, lancefish or earthworms. 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.

You must be logged in to post a comment. Very few fellow hobbyists will have the facilities to do so, either. An adult specimen needs only a single leiagius per week at most.


Choice of substrate can be an issue, as most grades of gravel can either be swallowed or become caught in the delicate gills. Also take care not to overfeed. Larger specimens can be offered whole fish fillets use white fish. Most of the available literature still lists the species with the invalid marmodatus L.

Juveniles enjoy hiding places in the form of bogwoodtangles of roots and branches, rock piles or mzrmoratus of plastic piping of a suitable bore. Adult females are likely to be stockier in build than males.

This keiarius lead to health problems in the long term. 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. A large specimen can easily destroy glass heaterstats, thermometers etc.