Julii Corydoras / Leopard Cory
Hoplisoma julii
Julii Corydoras / Leopard Cory (Hoplisoma julii) is a freshwater species with an adult-size reference of about 5.5 cm. It needs at least 60 litres and 6 individuals, with its social and territorial profile taken into account.
Wassertemperatur
23 - 26 °C
pH-Wert
6 - 7.2
Wassertyp
Süßwasser
Tankfüllstand
Unten
Erwachsenengröße
5,5 cm
Mindesttankvolumen
>= 60 L
Mindestgruppe
>= 6
GH
2 - 12 dGH
KH
1 - 6 dKH
TDS
40 - 240 ppm
Leitfähigkeit
63 - 375 uS/cm
Artbeschreibung
Geographical Origin and Habitat: A freshwater species; the enclosure should provide stability, oxygenation, space and shelter consistent with its behaviour without turning one habitat description into a mandatory recipe.
Taxonomy and Morphology: The accepted scientific name is Hoplisoma julii; the verified classification records genus Hoplisoma, family Callichthyidae, subfamily Corydoradinae, order Siluriformes. Historical names remain searchable as synonyms rather than separate species.
Social Behavior: Julii Corydoras / Leopard Cory is social and should be kept in a group. The minimum reference is 6 individuals; sex, maturity and available space can require a more conservative composition. Observe access to food, resting behaviour, chasing and use of shelter. Isolation, persistent competition or aggression means the number, composition or environment needs to be corrected.
Coloration and Sexual Dimorphism: Colour and shape can vary with age, sex, physiological state and environmental conditions. Identification and sexing require recognized species-level characters; one appearance or photograph is not enough.
Pflege, Zucht und Mitbewohner
Aquarium Setup: Julii Corydoras / Leopard Cory needs an aquarium of at least 60 litres, sized for adult body size and a minimum group of 6 individuals. Filtration, shelter and swimming room must match the species and the actual number kept. Volume alone does not make an enclosure suitable: tank shape and length, usable area, oxygenation and the ability to separate territories must reflect adult behaviour.
Diet and Feeding: The recorded diet is omnivorous. Offer appropriately sized foods varied within that category, and adjust quantity and frequency from actual intake, body condition and leftovers. One food or a fixed schedule is not suitable for every age and situation.
Water Quality: Maintain stable, well-oxygenated water appropriate to a freshwater species; the card's reference values are 23–26 °C, pH 6–7.2. Verify conditions with reliable tests and size maintenance and filtration to the actual load. Ranges are not automatic thresholds for treatment or rapid chemical correction.
Compatibility and Cohabitation: The cohabitation profile is suitable for a compatible community, with a generally peaceful temperament. Keep at least 6 individuals; tankmates, stocking density and decor must allow escape, rest and feeding without excessive competition. Watch interactions especially during feeding, maturity and breeding. Persistent chasing, injury or exclusion from food requires a change in stocking or layout, or separation of the animals.
Aquarium Breeding: The recorded reproductive profile is “oviparity”. Breeding should be attempted only with healthy adults, separation capacity and a plan for eggs or young. Do not treat unverified triggers, sex ratios or hatch times as universal for this species.
Risks and Diseases: Use a secure cover and close escape gaps. Prevent problems through quarantine of new arrivals, stable water, appropriate feeding and daily observation. Similar signs can have different causes, so check parameters, history and diagnosis before medication. Follow the product label and qualified aquatic-veterinary advice; there is no universal reduced dose for a species or family.
Geografische Herkunft und Verbreitung
A freshwater species; the enclosure should provide stability, oxygenation, space and shelter consistent with its behaviour without turning one habitat description into a mandatory recipe.
Ursprung
Amazonas, Orinoco und Guayana
Fischprofil
- Temperament
- Peaceful
- Julii Corydoras / Leopard Cory has a generally peaceful temperament. Insufficient space, an unsuitable social ratio or incompatible tankmates can substantially change observed behaviour.
- Diät
- Omnivore
- In the wild, they are omnivorous bottom feeders that forage for small insects, worms, crustaceans, and plant matter. In the home aquarium, they readily accept a wide variety of high-quality sinking pellets, wafers, and granules. It is highly recommended to supplement their diet with regular offerings of live or frozen foods such as bloodworms, daphnia, and brine shrimp to ensure optimal health and condition. Care should be taken to ensure that food reaches the bottom before being consumed by mid-water swimming fish.
- Lebenserwartung
- 5-7 years
- Erwachsenengröße
- 5.5 cm
- Geschlechterverhältnis
- Group
- Julii Corydoras / Leopard Cory is social and should be kept in a group. The reference minimum is 6 individuals and must not be read as permission to overcrowd the aquarium.
- Fütterungsfrequenz
- Twice daily
- To maintain their energy levels and overall health, *Hoplisoma julii* should be fed small amounts one to two times per day. It is important to only offer what they can completely consume within about three to five minutes to prevent water fouling. Overfeeding can lead to poor water quality and subsequent health issues, especially considering their bottom-dwelling nature. Observing their feeding behavior during meals can help adjust the portions to meet their specific metabolic needs.
- Bioload
- Low
- As a small benthic catfish, *Hoplisoma julii* contributes a relatively low bioload to the aquarium ecosystem. They are efficient scavengers that help break down uneaten food, which slightly mitigates their own waste production. However, because they must be kept in groups of at least six, the cumulative bioload of the shoal should be factored into your filtration capacity. Regular water changes and good mechanical filtration are still necessary to maintain optimal water quality and prevent the accumulation of nitrates on the substrate.
- Fluss
- Stagnant
- They naturally inhabit sluggish tributaries, floodplains, and pools with relatively gentle water movement. In the aquarium, they appreciate a moderate flow that provides good oxygenation without creating overwhelming currents. Harsh, direct water flow should be avoided as it can cause exhaustion and stress for these small fish. Providing areas of calmer water behind hardscape or plants allows them comfortable resting spots.
- Sprungrisiko
- Yes
- While not generally known as prolific jumpers, they do possess the ability to leap out of the water if startled or if water conditions deteriorate. Like all Corydoras, they occasionally dart to the surface to gulp atmospheric air, and during this rapid ascent, they might accidentally breach the surface too forcefully. A well-fitting aquarium lid is highly recommended to prevent any tragic accidents. Ensuring optimal water parameters will also minimize any erratic surfacing behavior.
- Reproduktion
- Oviparous
- Breeding *Hoplisoma julii* involves simulating the rainy season through large, cooler water changes and feeding highly nutritious live foods. The female will gather eggs in a pouch formed by her pelvic fins while the male fertilizes them. Following fertilization, the female carefully deposits the adhesive eggs onto broad plant leaves, aquarium glass, or flat stones. Because the parents may consume their own eggs, it is best to rear the fry in a separate, dedicated breeding tank with meticulous water quality management.
- Kompatibilität & Tankkameraden
- Community
- The cohabitation profile is suitable for a compatible community, with a generally peaceful temperament. Keep at least 6 individuals; tankmates, stocking density and decor must allow escape, rest and feeding without excessive competition. Watch interactions especially during feeding, maturity and breeding. Persistent chasing, injury or exclusion from food requires a change in stocking or layout, or separation of the animals.
- Tankfüllstand
- Bottom
- This species is a classic bottom dweller that spends the vast majority of its time resting on or foraging through the substrate. You will frequently observe them sifting through fine sand with their sensitive barbels in search of hidden morsels. Although they mostly remain at the lowest level of the aquarium, they will make periodic, lightning-fast dashes to the water surface to gulp air. Their predominantly benthic nature means they require plenty of uninterrupted swimming space along the tank floor.
Wissenschaftliche Modelle & Parameter
FishBase
Zugang zu den offiziellen wissenschaftlichen Daten der Art
FishBase v25.04Daten synchronisiert am: 15.06.2026
- Trophäenniveau
- 3 ± 0,35 se
- Belastbarkeit
- Hoch (weniger als 15 Monate)
- Phylogenetische Einzigartigkeit (PD50)
- 0.5
- Bayessche Längen-Gewichts-Beziehung
- a = 0.00741, b = 3.14
- AnfälligkeitGeringe Anfälligkeit (10 / 100)
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Lizenzierte Bilder, die mit der Art oder, wenn markiert, mit dem nächstgelegenen repräsentativen Taxon verknüpft sind.
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