Altum Angelfish

Pterophyllum altum

Also known as: Orinoco Angelfish, Deep Angelfish

The tallest angelfish species, with a dramatic high-finned profile and a notch above the snout.

Water

Freshwater

Temperature

82–88°F

pH

4.5–6.5

Hardness

1–5 dGH

Max size

7 in

Min tank

75 gal

Temperament

Semi-aggressive

Social

Groups (5+)

Swim level

Middle

Diet

Omnivore

Care level

Advanced

Lifespan

10-15 years

Breeding

Egg-depositor

Suitability

Advanced

Origin

Orinoco and upper Rio Negro basins, Colombia, Venezuela, Brazil

Needs a tall tank of 75 gallons or more with very warm, soft, acidic water and pristine quality. Keep in a group of 5 or more; wild fish are skittish and sensitive to shipping stress. Good with discus and peaceful South American fish.