Osteoglossum ferreirai

Common Names:

Black Arowana
Blue Arowana

Synonyms:

Osteoglossum ferrerai

Family:

Osteoglossidae

Category:

OthersFW

Distribution:

America - South; America - South

Main Ecosystem:

River; River

Temperament:

Aggressive; Extremely aggressive towards its own kind, but usually will not bother other fish too large to fit into its mouth.

Diet:

Carnivore; Carnivore

Care:

Requires a very large aquarium. This fish is a jumper, and requires a very heavy lid on the aquarium. As this fish a mostly a surface dweller, it is best to have the surface free of anything that may injure this fish, such as cross braces, filters, and anything else hanging in the water surface. The fish can very easily injure itself on these, and will quite often be seen missing scales, due to injury from jumping and hitting these and other items. Feed meaty foods and/or insects. Crickets and l

pH:

6 - 7

Temperature:

23°C - 29°C

73°F - 84°F

Hardness:

8 dH - 12 dH

Potential Size:

Male: 100cm (39.4")
Female: 100cm (39.4")

Water Region:

Middle, Surface; Middle-Surface

Activity:

Diurnal; Diurnal

Gender:

Fully mature fish can only be sexed by venting.

Breeding:

Requires an extremely large tank, as they are extremely aggressive towards their own kind. The fish do a mating ritual of encircling each other. As the female releases the eggs, the male releases his milt into the waters around them, thus fertilizes the eggs. The male then takes them into his mouth. The male will mouth brood the eggs and fry for up to 6 weeks. Releasing them at about 3-4 inches. And the fry will have absorbed all of their yoke sac at the time of release from the parent fish. The

Variants:

Comments:

As fry, these fish are almost entirely black. But, as they grow, their colors become similar to the silver arowana, Osteoglossum bicirrhosum. With the exception, their fins are a brilliant blue color, where as the bicirrhosum sports a more reddish fin coloration. Fry that are sold at local fish stores with yoke sacs still remaining, have been stripped from the parent fish. In the native lands of this fish, the adult male is usually killed to acquire the fry. As his mouth is too strong to open fo

Main Colours:

Silver, Blue, Red

Markings:

No Markings

Mouth:

Upturned

Tail:

Convex

Search:

Image Credit:

Submitted By:

ACIDRAIN

Contributors:

bettachris

History:

View changes to this profile

Edit Profile: