Leporacanthicus joselimai L-264

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The Leporacanthicus joselimai L-264, also known as Sultan, is a South American loricariid valued for its striking appearance and nocturnal habits. Native to the Rio Curuá Una in Brazil, this bottom-dwelling fish inhabits rocky areas where current provides well-oxygenated water. Its dark body, covered with contrasting pale spots, is complemented by a sucker mouth and well-developed odontodes in adults. In aquariums, it requires clean water, efficient filtration, hiding places, and a varied diet. Its availability is moderate; wild-collected specimens should be acclimated carefully.

General species description

Leporacanthicus joselimai L-264 is an armored catfish in the family Loricariidae, within the subfamily Hypostominae. In the aquarium trade, it is best known by the code L-264 and the name Sultan. Its stocky, flattened body helps it remain close to the bottom, while its ventral mouth is used to rasp surfaces and take food. This is mainly a crepuscular and nocturnal species that spends much of the day inside a cave or beneath driftwood. Adult males generally develop more visible odontodes on the cheeks and body. It is a medium-sized pleco and is relatively peaceful with fish occupying the upper and middle levels. Some territoriality may appear between males when too few shelters are available. Its commercial rarity is intermediate: it is less common than a standard Ancistrus, but it is not an impossible find.

Geographic origin and biotope

Leporacanthicus joselimai L-264 comes from Brazil, in the Rio Curuá Una basin of the Amazon region. It is associated with river sections containing exposed rocks, submerged wood, and boulders that provide shelter. The current is generally moderate to strong, with water ranging from clear to slightly tinted depending on season and organic material. In an aquarium, this combination should be recreated with well-distributed circulation, excellent oxygenation, and mature biological filtration. A layout of smooth rocks, driftwood, and spawning tubes is more suitable than a tank without shelters. Sand or fine gravel can be used, provided it has no sharp edges. Dense vegetation is not necessarily present in rocky current zones, although robust plants can be placed around the margins. Regular water changes are essential because this species responds poorly to organic waste accumulation and low oxygen levels.

Precise location and local name

The origin used for this profile is the Rio Curuá Una, in Pará, Brazil. This river belongs to the Amazon network and crosses a region dominated by tropical forest. In the aquarium trade, the most widely used name is Sultan, along with the L-264 code. The “L” codes temporarily identify several loricariids with distinctive patterns before a stable taxonomic identification is established; in this case, the species officially bears the name Leporacanthicus joselimai. Sultan is a trade or vernacular name used by aquarists rather than a scientific name. Like several Brazilian plecos, it may be sold in different sizes and with varying color intensity depending on age, stress, lighting, and maintenance conditions. Wild-collected specimens deserve gradual acclimation, close observation, and, when appropriate, quarantine before being introduced into a community aquarium.

Appearance and physical characteristics

Leporacanthicus joselimai L-264 has a robust, low-set, heavily armored body typical of larger loricariids with sucker mouths. Its background color ranges from dark brown to black, with cream to yellowish spots spread across the head, body, and fins. Contrast varies with age and general condition. The head is broad, the mouth inferior, and the lips provide firm attachment to rocks and wood. The pectoral and dorsal fins have strong rays; in adults, odontodes can emphasize the spiny appearance, particularly in males. The caudal fin is forked and helps the fish move through current. A dark layout and moderate lighting often encourage more natural coloration. This fish should be handled carefully because its fin rays and odontodes can catch in nets. Adult size reaches about 15 cm, making a spacious aquarium with ample bottom area and several separate shelters appropriate.

General diet

Leporacanthicus joselimai L-264 is an omnivore with a carnivorous tendency, and its diet should not be limited to algae or vegetable wafers. It accepts protein-rich sinking wafers, bottom-feeder pellets, frozen foods such as shrimp or bloodworms, and preparations containing mussel or fish. Small portions offered after the lights go out better match its natural activity. Vegetable foods can supplement the diet, including zucchini slices or wafers containing plant ingredients, but they do not replace protein. Natural wood is useful in the layout and may be rasped, but it is not a complete diet by itself. Uneaten food should be removed to protect water quality. A wild specimen may have an irregular appetite during its first days; calm acclimation, hiding places, and food placed near its shelter can help it begin feeding. Variety and regular feeding are the keys to maintaining good condition.

Essential data

• River of origin: Rio Curuá Una
• Local name used: Sultan
• Origin of the scientific name: Leporacanthicus joselimai
• Full-name etymology: Leporacanthicus combines a reference to leporis, hare, and acantha, spine; joselimai honors José Lima de Figueiredo.
• Common/vernacular names: Sultan, L-264
• Family: Loricariidae
• Subfamily: Hypostominae
• Name pronunciation: lep-oh-ra-KAN-thi-kus zho-zay-LIE-my
• Discovery: Isaäc J. H. Isbrücker and Han Nijssen, 1989
• Maximum adult size: Approximately 15 cm
• Water temperature and pH: 24 to 29 °C; pH 6.0 to 7.5
• Watercourse appearance and surrounding vegetation: Rocky, forested, well-oxygenated Amazonian sections surrounded by tropical forest; aquatic vegetation is often less dense in strong-current areas.
• Typical tankmates: Hemigrammus rhodostomus, Paracheirodon axelrodi, Corydoras agassizi, Geophagus altifrons, Ancistrus cirrhosus
• Temperament and behavior: Peaceful with midwater fish, territorial mainly toward conspecifics, and most active at night.
• Water depth: Bottom and sheltered areas of the river; an aquarium depth of about 45 cm is suitable.
• Sexual dimorphism: Adult males generally show more developed odontodes on the cheeks and body.
• Bottom structure and flow: Rocks, roots, and cavities over sand or fine gravel, with moderate to strong flow and high oxygenation.

In your aquarium

Success with Leporacanthicus joselimai L-264 starts with a mature, spacious, well-circulated aquarium containing several shelters to reduce bottom-level conflicts. Clean water, stable temperature, and frequent water changes are priorities. Because the species is wild-collected, acclimation and quarantine should be handled carefully. Offer varied food in the evening, including protein-rich sinking foods. It does best with peaceful fish that do not constantly compete for its hiding places. Since availability is moderate, each specimen deserves attentive, long-term care.