Altum angelfish are the biggest of the angelfish variety. They can achieve a length of up to six inches and height of up to 12 inches. Altum angelfish come from the Amazon river basin in Venezuela.
The Altums appearance is silvery with brownish perpendicular stripes. This helps the Altum keep cover easily amid elongated stemmed plant life growing in the Amazon river. Altums have a rather unique shaped mouth, which is rather pointed, and their forehead is sharply sloped. The first dark band runs through the eye; the second runs near the mid-section of the body, while the third runs from the tip of the dorsal fin, through the body, and to the tip of the anal fin. The final band runs on the caudal penuncle.
Being a such a big angelfish, they need a bigger and taller fish tank. Tanks should be a bare minimum of 30" tall and 4 ft long. The ideal tank setup for your Altum angelfish would also include several large pieces of bogwood as well as big leafed plants, such as the amazon swordplants. Care must taken to make sure there is still sufficient room in the center of the fish tank for free swimming.
The water ought to be kept in very soft water that is somewhat acidic. A pH level of 4.5-6.5 is proper for Altum Angelfish. They desire especially temperate water and they are best kept in 28-30°C / 82-86°F. It's also crucial to keep your nitrates level especially low for Altums. The water ought to also circulated slowly to correspond the low flow circumstances found naturally. Maintaining extraordinary water quality is a significant factor to successfully raise Altum angelfish.
The Altum is more difficult to look after than the Scalare, which is more frequently recognized as the domestic angelfish. For that reason, fewer individuals tend to keep Altums. Altums are regularly caught in the wild.
In trying to purchase Altums, it is sensible to look for an qualified angelfish breeder. Because they are wild caught they can be difficult to come across, and sometimes imitations are sold.
Altums generally do best by themselves, but can be kept with other peaceful species from the matching river region, such a tetras and discus. Being cichlids, Altums can also be quite territorial in disposition. One must use caution when mixing fish with Altums. Even if from the same area smaller fish will be consumed. They seem particularly fond of neon and cardinal tetras.
Altums, like other angelfish, have an unquenchable appetite. Since they are by and large caught wild, live food is the favored cuisine. Most will willingly accept other foods over time, such as frozen brine shrimp and blood worms.
Despite providing great water conditions and a good diet, Altum angelfish can be tough to raise and even more difficult to breed. Determining the sex can also be exceptionally difficult, as it is with most of the angelfish species.