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Australian arowana (Scleropages jardinii)

Autres noms : Australian bonytongue, Pearl arowana, Northern saratoga, Jardini arowana, Pearl arowana

Discover the elegance of the scribbled arowana, a symbol of luck and prosperity in many cultures. Learn all about its characteristics, habitat, and the care needed to raise it in your aquarium.

Origins and history

The spotted arowana fish, native to Southeast Asia, are highly regarded species both for their beauty and cultural significance. These fish are primarily found in rivers, lakes, and wetlands, thriving in environments rich in vegetation. Their natural habitat, often disturbed by human activities, has led to conservation efforts aimed at protecting their population.

Historically, arowanas have been considered symbols of prosperity and luck in many Asian cultures. Their majestic appearance and charismatic behavior have made them popular in aquaristics. Over the years, these fish have been selectively bred, resulting in varieties with distinctive colors and patterns. This has further elevated their status as prized pets, particularly in countries like China and Thailand.

However, the popularity of spotted arowanas has also brought challenges for conservation. Overfishing and the destruction of their natural habitat threaten their populations. In response, regulatory and protective initiatives have been put in place to preserve these magnificent creatures and their habitat. Aquarists are encouraged to source their fish from responsible suppliers, thereby contributing to the species' sustainability.

Physical characteristics

The scribbled arowana has distinctive physical characteristics that make it a fascinating species to observe. Its body is elongated and slender, allowing for great ease of movement in the water. The coloration of this arowana is particularly striking, with scales that exhibit shimmering sensory patterns, often in shades of gray and silver. This coloration can vary depending on age and environment.

The fins of the scribbled arowana are long and delicate, contributing to its graceful appearance. The dorsal fin, located on its back, is especially prominent and provides support during swimming. Additionally, the caudal fin is wide and rounded, allowing for effective propulsion. Another remarkable feature is the presence of long barbels located on the lower jaw, which play a role in detecting water movements and potential prey.

The eyes of this fish are also large and prominent, offering excellent vision in low-light conditions. This adaptation is crucial, as the scribbled arowana is often active during twilight hours. In summary, these physical characteristics make the scribbled arowana an elegant and agile predator, perfectly adapted to its aquatic habitat.

Character

The spotted arowana fish is a fascinating specimen that stands out due to its unique character and intriguing behaviors. This fish is often described as very curious and interactive, establishing some form of connection with its environment. It tends to observe its surroundings carefully, making it a captivating inhabitant of an aquarium.

In terms of territoriality, this fish can exhibit quite pronounced traits. It may be protective of its space, especially if other species coexist in the same aquarium. This territoriality can manifest as aggressive behaviors, particularly during the breeding season. Therefore, it's advisable to carefully consider the species composition in a shared aquarium.

Furthermore, the spotted arowana is known for its high intelligence. It can learn to recognize its owner and can even be trained to perform certain actions, such as taking food from the hand. This ability to interact and adapt to a routine makes it a companion that can bring much joy to its aquarist. In summary, the curious, territorial, and intelligent nature of this fish contributes to its popularity in the aquarium world.

Life expectancy

The lifespan of spotted arowana fish is a topic of interest for many aquarists and aquatic wildlife enthusiasts. In the wild, these fish can live between 10 and 20 years, depending on environmental conditions and their habitat. In captivity, with proper care, some specimens can even reach 20 to 25 years.

The longevity of these fish is influenced by several factors, including water quality, diet, and the overall care provided by their owners. A stable and clean environment, with appropriate water parameters, contributes to their well-being. Moreover, a balanced and high-quality diet is crucial, as it promotes overall health and reduces the risk of diseases.

It is also essential to consider social interactions. Spotted arowanas can sometimes be territorial, and conflicts may arise in a space that is too small. Therefore, an appropriately sized aquarium that meets the spatial needs of each individual is vital for their thriving and longevity. In summary, by investing in their habitat and diet, it is possible to witness a long life in these fascinating fish.

Compatibility with Other Animals

The scribbled arowana fish is a highly sought-after species for aquariums. When it comes to compatibility with other pets, it is important to evaluate several aspects. First of all, this fish is safe for community tanks as long as they are designed with care. However, its carnivorous and territorial behavior can present challenges.

In a shared habitat, scribbled arowanas generally display dominance and may aggressively chase smaller fish. Therefore, it is recommended to avoid species that, due to their size or temperament, might be perceived as prey. Sturdy fish of similar size, such as cichlids, can coexist with them, but their interactions should always be monitored.

Regarding other pets, such as rodents or birds, it is not advisable to keep them near an aquarium containing an arowana. Their hunting instinct could lead to stressful or dangerous situations. In summary, it is essential to carefully select aquarium companions based on the behavior and size of other species to ensure a harmonious environment.

Exercise and activity needs

The scribbled arowana fish are majestic and active creatures that require adequate space to thrive. In an aquarium, it is recommended to have a minimum capacity of 400 liters, allowing these fish to swim freely and move without constraints. A spacious environment contributes not only to their well-being but also to their overall health.

In terms of activity, these fish are known for their exploratory behavior. They enjoy patrolling their territory and interacting with the elements of their habitat. To meet their exercise needs, it is essential to include features such as branches or roots, which serve as shelters and obstacles to navigate around. This stimulates their natural instincts and encourages activity.

Feeding also plays a crucial role in their dynamics. A diet rich in protein and opportunities to hunt live prey, such as floating pellets or insects, promotes their active behavior. Offering a variety of foods enhances their physical condition and energy. By creating a suitable environment and addressing their specific needs, a healthy and fulfilling life for these fascinating fish is ensured.

Caractéristiques de l'habitat

The suitable habitat for the sketchy arowana fish requires a carefully designed environment, whether in an aquarium or a pond. For an aquarium, a volume of 400 to 1000 liters is recommended to provide ample space for swimming and development. Outdoor ponds should also be spacious, with a minimum of 2000 liters, to allow for healthy growth and natural behavior.

Filtration is crucial in these habitats. It is best to install a powerful and efficient filtration system capable of maintaining clean and oxygenated water. An external filter with biological and mechanical filtration is recommended to ensure optimal water quality.

Lighting should be moderate, as the sketchy arowana fish prefers low-light areas. LED lighting with a day and night cycle that respects natural rhythms is advised. This not only provides some brightness but also simulates its natural habitat.

Regarding seasonal precautions for ponds, it is essential to monitor the water temperature. During cold periods, a heater may be necessary to maintain a stable temperature around 24 to 30°C. In summer, shading should be provided to prevent overheating and insufficient oxygen levels. Finally, ensuring proper maintenance and partial water renewal is key to preventing diseases and ensuring the health of the fish.

Type et qualité de l'eau

The spotted arowana fish requires a very specific aquatic environment to thrive. First of all, it is essential to maintain fresh water, as these fish do not tolerate saltwater. The quality of the water must be meticulously monitored and managed to ensure their well-being.

The ideal pH for these fish is generally between 6.0 and 7.5, reflecting slightly acidic to neutral water. Sudden fluctuations in pH can be stressful for arowanas, so it is crucial to perform regular checks. Regarding water hardness, it should be maintained between 5 and 20 dGH. Excessively high hardness can affect the general health of these fish.

Water temperature is also an essential parameter. Arowanas prefer a temperature range between 24 and 30 degrees Celsius. Strict temperature control is necessary, as significant variations can induce stress or diseases. A reliable heating system is often recommended.

Finally, it is crucial to perform regular water changes to eliminate toxins and maintain good levels of nitrates and other compounds. Proper filtration is also essential to ensure clear and oxygenated water, conducive to the health and vitality of spotted arowanas. In summary, particular attention to water parameters and maintenance is essential to guarantee the well-being of these magnificent fish.

Contenu de l'habitat

The suitable habitat for scribbled arowanas must mimic the parameters of their natural environment to ensure their well-being. An aquarium with a minimum capacity of 200 liters is recommended, as these fish reach a large size and require space. The water should be maintained at a temperature between 24 and 30 °C, with a slightly acidic to neutral pH, ideally between 6.5 and 7.5.

When it comes to plants, it is best to choose robust and slow-growing species. Plants such as Anubias or Java ferns can be added, but it is advisable not to overcrowd the space, as these fish enjoy swimming freely. A substrate of fine gravel or sand is recommended, allowing for good drainage while providing a natural base.

Decorative objects play a crucial role in the habitat. Roots or branches can be added to provide shaded areas and surfaces for the arowanas to perch on. Be sure to include hiding spots using tiles or overturned pots, as these fish, while often visible, will appreciate having shelters available to feel secure. Dim lighting is also beneficial, as it replicates the natural aquatic environment and reduces stress. By following these guidelines, the aquarium can become a healthy and harmonious space for scribbled arowanas.

Recommended diet

The scribbled arowana fish have specific dietary needs that must be met to ensure their health and well-being. As predators, their diet should be high in protein. In their natural habitat, they primarily feed on small fish, crustaceans, and insects. To breed them in captivity, it is essential to provide a varied diet that mimics their natural feeding habits.

A balanced diet can include specially formulated pellets for arowanas, which contain the necessary nutrients and vitamins. It is also beneficial to incorporate fresh foods such as small fish, shrimp, and worms. Insects, such as crickets or black soldier fly larvae, are also good sources of protein and can be offered as a supplement.

It is important to note that scribbled arowanas tend to be sensitive to the quality of their food. Therefore, it is recommended to avoid low-quality foods that could harm their health. Additionally, the size of the prey should always be adjusted according to the size of the fish to prevent choking hazards. Regular monitoring of their diet will help ensure proper development and optimal longevity.

Health

The health of spotted arowana fish largely depends on several environmental and dietary factors. First and foremost, it is essential to maintain optimal water quality. This includes a neutral to slightly acidic pH, a temperature between 26 and 30 degrees Celsius, and low concentrations of nitrates and ammonia. Regular water changes are crucial to prevent the buildup of toxins.

Feeding also plays a vital role in the health of these fish. They are carnivorous and require a varied diet that can include high-quality pellets, earthworms, and small fish. A balanced diet helps prevent nutritional deficiencies and growth problems.

Finally, disease prevention is another priority. Signs of stress or illness may include abnormal behavior, changes in appetite, and skin lesions. Careful observation and a quick response to any issues are essential to ensure good health. Providing adequate space and an enriched environment also contributes to the well-being of these fish.

Comportement social

The scrawled arowana is often described as a solitary animal. In their natural habitat, these fish tend to live alone, developing a strong territorial instinct. They actively defend their space against intruders, which can lead to aggressive behaviors when confronted with other individuals. This territorial nature is particularly pronounced during reproduction when they protect their offspring.

However, it is important to note that scrawled arowanas can tolerate certain conspecifics if there is enough space. In spacious aquatic environments, they can coexist with similarly sized individuals without too much conflict. This requires careful aquarium management to reduce stress and avoid fights. The introduction of decorations and hiding spots can also help create distinct areas, thus meeting their territorial needs.

In summary, although solitude is a predominant characteristic of social behavior in these fish, some interaction can be observed depending on the environment and management of space. Aquarists should remain vigilant and adopt a cautious approach when housing multiple individuals to ensure the wellbeing of each fish.

Reproduction et élevage

The scribbled arowana fish, prized for their beauty and fascinating behavior, require specific conditions for their breeding and care. A spacious aquarium, measuring at least 300 liters, is essential to accommodate these fish, which can grow to a substantial size. The water should be maintained at a temperature of 24 to 30 °C, with a neutral to slightly acidic pH (between 6.5 and 7.5). High-quality filtration is imperative to keep the water clean and well-oxygenated.

To encourage breeding, it is crucial to maintain an appropriate environment. Adding natural aquatic plants can provide hiding spots and a spawning location. Breeding stimulation can be encouraged through regular water changes and temperature variations. Males and females exhibit notable differences, particularly in terms of shape and behavior, which makes identifying partners easier.

In terms of diet, these fish require a rich and varied diet, including high-quality pellets and live prey such as insects or shrimp, ensuring their optimal development and health. Patience and diligence are essential, as breeding can take time. Each step must be carefully monitored to maximize the chances of successful breeding.

Gestion du stress

Stress management in Scribbled Arowana fish relies on several important aspects, including the environment, diet, and human interaction. An adequate habitat is essential. Aquariums should be spacious and well-filtered, with optimal water quality that maintains appropriate parameters such as temperature and pH levels. Adding aquatic plants and hiding spots can also comfort these fish by providing refuge areas, thus reducing stress.

Diet plays a key role in the well-being of these fish. A balanced diet that includes a variety of nutrient-rich foods helps maintain their health and strengthens their resilience to stressors. Feeding them at regular intervals and avoiding overfeeding is crucial, as an inappropriate diet can contribute to health problems.

Human interaction should be measured. Minimizing disturbances around the aquarium, avoiding frequent transfers, and reducing excessive or sudden noises helps create a calm environment. Respecting their natural rhythms by limiting handling also supports their tranquility. By combining a suitable environment, proper nutrition, and a thoughtful human approach, effective stress management for these delicate fish can be achieved.

Name ideas

Choosing a name for the spotted arowana is an exciting task that deserves special attention. A good name should reflect not only the animal's appearance but also its behavioral characteristics and natural habitat. It is important to consider elements such as aesthetics, the geographical origin of the species, as well as the distinctive traits that make it unique. A name can also evoke an atmosphere, a feeling, or even a mystical aspect associated with these majestic fish.

It is often helpful to think of words or phrases that evoke beauty, elegance, or strength. Names can draw inspiration from culture, mythology, or even the colors of the fish. For a spotted arowana, names that evoke aquatic traits or their habitat may also be relevant. Here are some suggestions that might suit these fish:

Silver of the Waters, Abyssal Glow, Dark Reflection, Elegant Dancer, Flame of Adventure, Shadow of the Oceans, Aquatic Star, Water Serpent, Sea Mirage, Lake Guardian, Depths Voyager, Halo of Light, River Comet, The Water Specter, Shore Legend, Ghost of the Aquarium.

These names are designed to capture the essence of these impressive fish while being catchy and memorable.

Average purchase price

The prices of scrawled arowanas vary depending on several factors, including size, color, and the origin of the fish. Generally, for a young specimen of small size, prices can start around 100 euros. However, older and more developed specimens command significantly higher prices, ranging from 500 to 2000 euros, especially if the quality of the coloration is exceptional.

The rarity of the species also influences its price. Scrawled arowanas from certain regions, known for their beauty and distinctive features, can sell for even higher prices in the market. Aquarists often seek fish with unique patterns, which can increase their price to 3000 euros or more for particularly sought-after individuals.

It is important to consider the additional costs associated with keeping these fish. The purchase of an appropriately sized aquarium, along with a suitable filtration system and a well-enriched environment, represents an investment to keep in mind. Thus, when adding up these costs, raising a scrawled arowana can turn out to be a significant financial project.

Expenses

Owning a scribbled arowana can represent various monthly expenses, depending on how the animal is cared for. On average, food expenses are one of the main cost components. A suitable diet is essential for the health of the arowana, which may require the purchase of special pellets, worms, or small crustaceans, costing around 30 to 50 euros per month.

Maintaining the aquarium is another crucial aspect. This includes the cost of water, treatment products to maintain water quality, as well as filter replacements. Expenses for these items can range from 20 to 40 euros per month. Additionally, equipment such as heaters or lighting can incur extra electricity costs.

Finally, it is advisable to set aside some funds for veterinary care, although these visits are not daily. On average, care could amount to about 10 to 20 euros monthly, considering preventive treatments and occasional consultations. In summary, it is reasonable to budget a total of around 70 to 110 euros per month to ensure the well-being of this fascinating animal.

Legislation and regulation

The legislation surrounding spotted arowana fish varies significantly from one country to another, particularly regarding their protection and trade. In several Southeast Asian countries, where these fish are native, their breeding and sale are regulated to prevent the overexploitation of wild populations. These regulations aim to ensure sustainable use and are often linked to conservation initiatives.

In other regions, such as Europe and the United States, legislation has tightened to protect this species due to its popularity in the aquarium trade. Under the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), international trade in these fish is subject to strict controls. This framework has allowed for the regulation of imports and ensured that only captive-bred populations can be traded, thereby reducing pressure on wild populations.

Finally, some countries impose specific conditions for keeping them as pets, such as minimum space requirements and proper care standards. These rules aim to ensure the welfare of these fish. It is essential for aquarists to familiarize themselves with local legislation to ensure responsible aquarium practices.

Prohibitions

The spotted arowana fish is a fascinating freshwater species, prized by aquarists for its unique appearance and behavior. However, this species is subject to strict regulations in many countries due to its vulnerability and the degradation of its natural habitat.

In certain regions of Asia, the trade of this species is heavily regulated or even prohibited due to overfishing and habitat loss. Conservation measures have been implemented to protect existing populations and limit the impact of intensive farming. Countries in the region encourage awareness of environmental protection and support captive breeding initiatives.

In Europe and North America, the sale and importation of this species are also regulated, often requiring specific permits. These regulations aim to prevent illegal captures and promote responsible trade. Furthermore, the use of spotted arowana fish in home aquariums requires special attention to ensure their well-being.

In light of these prohibitions and regulations, it is essential for aquarists and enthusiasts to respect the current legislation and promote sustainable breeding practices to ensure the long-term survival of this iconic species.


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