The Golden Arowana (Scleropages formosus)

golden arowana

The Asian Arowana (Scleropages formosus) consists of several phenotypic varieties of freshwater fish dispersed geographically across Southeast Asia. While most consider the different varieties to belong to a single species, work by Pouyaud et al. (2003) differentiates these varieties into multiple species.

They have several other common names, including Asian bonytongue, dragon fish, and also a number of names specific to the different color varieties. Native to Southeast Asia, Asian Arowana inhabits blackwater rivers, slow-moving waters flowing through forested swamps and also wetlands.

The Asian Arowana is the world’s most expensive aquarium fish. It is a tropical freshwater fish from Southeast Asia that grows 3 feet long in the wild. These popular aquarium fish have special cultural significance in areas affected by Chinese culture. The name Dragonfish comes from their similarity to the Chinese dragon. This popularity has had both negative and positive effects on their status as threatened species.

The Asian Arowana variants include Gold Cross-Back, Green, Super Red and also Red Tail, Golden Arowana. The Scleropages formosus was redescribed to include the strain known as the green Arowana. The Gold Cross-Back, which was not part of the study, was consisted of this species by default, though it was suspected to be closely related to Red Tail Golden Arowana (Scleropages aureus).

The Gold Cross-Back and Blue Base Golden Arowana are native to the state of Pahang and Bukit Merah in Perak, Peninsular Malaysia. These are in the highest demand, as it is believed they bring extra good luck. They have been called Pahang Gold, Blue Malayan, Bukit Merah Blue, Malaysian Gold, and also the Taiping Golden.

The Cross-Back Golden Arowana are fairly rare and the demand is constantly high which brings the costs of these fish up to high levels. Hence, its name “Cross-Back” means Golden coloration crossing over the back. This gold crossing is seen as its distinctive feature from the rest of Arowanas. The Cross-Back fins can be discovered in other color forms such as Purples, Blues, Red, varying Gold, Green, and also Silver.

The Scleropages aureus described Red Tail Golden Arowana is a natural color strain that originated from the Pekanbaru river system in Sumatra, Indonesia. They have scale base color varying from blue, green or gold with a gold rim on the outer edge of each scale.

The Red Tail Golden Arowana are more common and more inexpensive compared to Cross-Back Golden Arowana since they are more abundant in the wild, as well as the fact that they are not as Gold as the Cross-Back Golden Arowana. They are also a little more aggressive Cross-Back Golden Arowana which they or else have many of the same traits as.

The Golden Arowana could grow up to 90 cm (35 in) in total length, Like all Scleropages, Asian Arowana has long bodies, large, elongated pectoral fins, dorsal as well as anal fins located far back on the body, and also a much bigger caudal fin compared to that of their South American relative, the silver Arowana (Osteoglossum bicirrhosum).

The Golden Arowana might live for many years. The average Arowanas lifespan is 10-20 years, and if well cared for Arowana fish might live longer than 20 years in captivity. The Golden Arowana is another popular variety of Asian Arowana. These are well known and also popular in South East Asia where they are believed to bring luck. They can be discovered in fish stores and online.

 

Diet Of The Golden Arowana

Diet Of The Golden Arowana

The Golden Arowana are carnivorous, which means that they feed just on meat and should be fed a high-quality diet of meaty food, such as shrimp and crickets. They are surface feeders and prefer to take food in the upper parts of the water column.

Aquarists recommend live foods and also meaty prepared foods. Live foods for Golden Arowana consist of scorpions, centipedes, mealworms, earthworms, shrimps, feeder fish, crickets, and also small frogs. Prepared foods consist of prawns (shrimp), lean pork, frozen fish food, and also pelleted food, all in sizes that are appropriate for this Arowana fish.

In addition, juvenile Golden Arowana will readily consume small fish, tadpoles, live brine shrimp, live brown worms, small earthworms and other live foods, but should be trained to accept pellets, sticks, a chunk of frozen foods, chopped and also whole market shrimp, as well as other meaty foods.

The baby Arowanas should be fed maybe 3 times a day, medium sized twice a day, and adults once a day, or even once every other day. Variety is essential for a well-balanced diet in Arowanas just like for most other fish.

 

Reproduction Of The Golden Arowana

Reproduction Of The Golden Arowana

The Golden Arowana are mouthbrooders and are readily bred in large ponds, however, rarely in fish tanks. Breeding is not difficult once you have a large enough tank. Unlike most fish, the Asian Arowana reaches sexual maturity relatively late, after 3-4 years.

The females will produce 30-100 eggs, which are fairly large in size and are orange/red. After the eggs are fertilized, the Asian Arowana exhibits great parental care with paternal mouthbrooding. Both the fertilized eggs and larvae are brooded within the male’s mouth.

Typically these ponds are approximately 15m by 20m with a mud or silt floor. Over time, the female will lay eggs on the floor of the pond as well as the male will pass overfertilizing them. Following the fertilization, the eggs are collected into the mouth of the male, where they will develop for 4-6 weeks before being released as young fry into the pond. The fry is typically fairly large, measuring around 50-75 mm during hatching.

 

How to Aquarium Care for Golden Arowana?

How to Aquarium Care for Golden Arowana

The Golden Arowana require at least a 250-gallon fish tank. Since they could grow up to 90 cm (35 in) long, while Juveniles will be fine in 60-gallon tank. With adult Arowana, larger is always better. They are territorial and might be kept with other Scleropages only in a very large fish tank, provided all fish are of similar size.

Like other Arowanas, they need a tight-fitting cover to prevent escape. The tank should have a substrate of small grain gravel or aquarium safe sand. It should also be sparingly planted, and have lots of open space for them to move around in.

The Golden Arowana eating habits produce a lot of waste and you should consequently, pay extra attention to (Ammonia, Nitrite, and Nitrate) in your fish tank. Weekly water changes 25% to 33% is recommended, or better yet, 20% twice a week.

You should maintain the pH neutral. Pay specific attention to the temperature as well as pH ranges, since if you have it too warm, it may cause them to age faster and even shorten their life. The water should be well-filtered, soft, and slightly acidic, and maintained at a temperature of 24-30°C (75-86°F), as well as a pH level between 7.0 and 7.7, are recommended.

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