Black Emperor Tetra

(Nematobrycon palmeri var. "Amphiloxus Black")

Species Highlight

• Size: 4–5 cm

• Temperament: Generally peaceful, slightly territorial among males

• Origin: Captive-bred colour form of the Emperor Tetra

• Appearance: Deep black to charcoal body with subtle iridescent highlights; males develop elongated dorsal and caudal fins

• Tank Role: Mid-water swimmer, elegant and active

• Special Feature: Dramatic coloration that stands out in planted aquariums

Fun Facts

• The “Amphiloxus Black” variety is selectively bred for its intense dark coloration.

• Male Black Emperor Tetras display dominant behavior by flaring their fins and posturing toward rivals.

• Their dark body contrasts beautifully with light substrates and bright green plants.
  
  

Care Recommendations

• Group size: 6–8+ (keep multiple females per male)

• Tank size: 20 gallons+

• Diet: Flake, micro pellets, frozen foods (bloodworms, brine shrimp)

• Aquascape: Planted tank with open swimming areas

• Tankmates: Peaceful community fish such as rasboras, Corydoras, dwarf gouramis

• Water parameters: Soft to slightly acidic; stable and clean