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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A large specimen can easily destroy glass heaterstats, thermometers etc. These cats can and will attain something close to their maximum size in captivity, and will do so quite quickly. If the tank marmofatus also very deep larger characins, cyprinids, South american arowana and various cichlids leeiarius as Cichla species can also be added. If possible, choose a sump — type arrangement, as this allows most of the equipment to be located outside the tank.

Apparently they also differ slightly leiairus the morphology of the skull. Particularly suitable companions include Doradids such as Oxydoras nigerMegalodoras urunoscopus or Pterodoras granulosus. It lurks among submerged tree roots and other refuges during daylight hours, emerging at night to feed. This can lead to health problems in the long term. Some hobbyists simply leave the substrate out altogether, which certainly makes cleaning the tank an easier task. Very few fellow hobbyists will have the facilities to do so, either.


Adult females are likely to be stockier in build than males.

Some of the lipids contained in these meats cannot be properly metabolised by the fish, and marmlratus cause excess deposits of fat and even organ degeneration. The only visible difference appears to be in the number of dorsal fin rays.

It relishes meaty items such as prawns, mussels, cockle, lancefish or earthworms. Larger specimens can be offered whole fish fillets use white fish. Risks involved with feeding these include the potential of disease introduction.

Leiarius marmoratus

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. Inhabits large rivers and lakes.

Reproduction Unreported in captivity. Also take care not to overfeed. You leiariua be logged in to post a comment. Most of the available literature still lists the species with the invalid name L. It also has an amazing set of very long barbels that can move independently of each other.

Leiarius longibarbis (Marbled Pim) — Seriously Fish

An adult specimen needs only a single meal per week at most. Sexual Dimorphism Virtually impossible to sex by external characteristics. A large and efficient biological filter is needed to cope with the amounts of waste produced by a fish of this size. Piscivorous by nature, but usually adapts well to dead foods in captivity. This species should not lriarius fed the meat of mammals such as beef heart or chicken.


Feed every other day when juvenile but as the fish grows reduce the frequency. All too often, juveniles are sold without adequate information regarding their long term care. Juveniles leairius hiding places in the form of bogwoodtangles of roots and branches, rock piles or lengths of plastic piping of a suitable bore.

Human uses

Many aquarists buy a young specimen with the intention of buyinga bigger tank as it grows. 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 lleiarius gravel can either be swallowed or become caught in the delicate gills. A layer of large, smooth pebbles is a better option.

Virtually impossible to sex by external characteristics.