Black Phantom Tetra (Hyphessobrycon megalopterus)

Black Phantom Tetra (Hyphessobrycon megalopterus) is a popular freshwater species among aquarists. 

Overview

• Origin: South America (Paraguay River basin)
• Size: Around 4–5 cm (1.5–2 inches)
• Lifespan: 3–5 years with proper care
• Temperament: Peaceful, schooling fish
• Ideal Group Size: 6 or more (they thrive in groups)

Tank Requirements

• Tank Size: Minimum 20 gallons for a small school
• Water Parameters:
  • Temperature: 22–28°C (72–82°F)
  • pH: 6.0–7.5
  • Hardness: Soft to moderately hard
• Aquascape: Heavily planted with open swimming space; subdued lighting enhances their colors.

Diet

• Omnivorous: High-quality flakes, micro pellets, frozen or live foods (brine shrimp, daphnia).

Behavior & Compatibility

• Peaceful community fish.
• Good tank mates: Other small tetras, rasboras, corydoras, dwarf gouramis.
• Avoid fin-nippers or aggressive species.

Special Features

• Males have a more pronounced black dorsal fin and slimmer body.
• Females are rounder and slightly paler.