Angelfish - Santa Isabel (Captive Raised)

The Santa Isabel angelfish is a rare, wild-caught geographic variant of the freshwater angelfish (Pterophyllum scalare) from Brazil's Rio Negro basin. It is prized for its tall, regal body shape, flowing filamentous fins, and distinctive red-backed coloration.

Origin and Appearance

Native Habitat

The Santa Isabel angelfish is native to the Upper Rio Negro region near Santa Isabel do Rio Negro, Brazil, where it inhabits warm, acidic, tannin-stained blackwater.

Body Type

This species features a deep, compressed, disc-shaped body with an exceptionally tall vertical height and long trailing fins.

Coloration

Its coloration includes a silvery-bronze metallic base with dark vertical bars. A striking red or orange tint spreads across the forehead, back, and dorsal region.

Size and Lifespan

The Santa Isabel angelfish can grow up to 15 cm (6 inches) in length and 25 to 30 cm (10 to 12 inches) in height. It has a lifespan of 8 to 12 years.

Care and Requirements

Water Parameters

• Temperature: 24–30°C (75–86°F)
• pH: 5.5–7.0 (acidic to neutral)
• Hardness: Low

Tank Setup

• Requires a large aquarium (200L / 50 gallons or more).
• Decorate with driftwood branches, dim lighting, and soft, clean water to mimic a blackwater biotope.

Temperament

This species is a generally peaceful community cichlid, though adults can become territorial and may prey on very small fish.

With its stunning appearance and unique care needs, the Santa Isabel angelfish is a true centerpiece for any freshwater aquarium.