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 layer of large, smooth pebbles is a better option. Virtually impossible to sex by external characteristics.

Also take care not to overfeed. If the tank is also very deep larger characins, cyprinids, South american arowana and various cichlids such as Cichla species can also be added. Further confusion arises when attempting to distinguish it from the very similar, but much rarer Perrunichthys perruno. This is now considered a junior synonym of L.

Leiarius longibarbis (Marbled Pim) — Seriously Fish

You must be logged in to post a comment. All too often, juveniles are sold without adequate information regarding their long term care. 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 items such as prawns, leiadius, cockle, lancefish or earthworms.

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


Human uses

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.

If possible, choose a sump — type arrangement, as this allows most of the equipment to be located outside marmorahus tank.

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. Apparently they also differ slightly in the morphology of the skull.

Leiarius marmoratus : fisheries, aquarium

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. 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.

It lurks among submerged tree roots and other refuges during daylight hours, emerging at night to feed. A large and efficient biological filter is needed to cope with the amounts of waste produced by a fish of this size. Larger specimens can be offered whole fish fillets use white fish.


Habitat Inhabits large rivers and lakes. Adult females are likely to be stockier in build than males. Sexual Dimorphism Virtually impossible to sex by external characteristics.

The only visible difference appears to be in the number of dorsal fin rays. Risks involved with feeding these include the potential of disease introduction. Juveniles enjoy hiding places in the form of bogwoodtangles of roots and branches, rock piles or lengths of plastic piping of a suitable bore.

You can marmoratue add some large chunks of bogwoodbeech branches or smooth rocks if you wish. Particularly suitable companions include Doradids such as Oxydoras niger marmorratus, Megalodoras urunoscopus or Pterodoras granulosus.

Some hobbyists simply leave the substrate out altogether, which certainly makes cleaning the tank an easier task. 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 leiariue or chicken. Reproduction Unreported in captivity.