Argentine Bloodfin - 2.3cm

Species Profile

• Scientific Name: Aphyocharax anisitsi
• Common Name: Argentine Bloodfin
• Adult Size: 1.5 to 2 inches (3.8 to 5 cm)
• Life Expectancy: 3 to 5 years in captivity
• Habitat: Native to slow-moving freshwater rivers and streams in South America, particularly Paraguay; prefers densely planted areas with gentle currents

Tank Requirements

• Minimum Tank Size: 15 gallons (60 liters) for a small group
• Ideal Temperature: 72–78°F (22–26°C)
• pH Range: 6.0–7.5
• Water Hardness: Soft to moderately hard (3–12 dGH)
• Temperament: Peaceful but active; best kept in schools of 6 or more; may nip fins if not kept in adequate numbers

Diet & Nutrition

• Omnivorous: Yes — accepts high-quality flakes, micro pellets, and enjoys live or frozen foods like daphnia, brine shrimp, and bloodworms. Variety is key to maintaining vibrant coloration and health.

Appearance

• Translucent silvery body with vivid red fins (especially on the caudal and anal fins)
• Some individuals display a faint golden or pinkish hue along the body
• Slender, torpedo-shaped body ideal for fast swimming
• Males are often slightly slimmer and more colorful than females

Distinctive Features

• Striking red fin coloration that contrasts sharply with the silvery body
• Hardy and beginner-friendly; good for peaceful community tanks
• Fast swimmers and mid-to-upper level dwellers that add movement and color to planted aquariums
• More peaceful than their close relative, the standard Bloodfin Tetra (Aphyocharax anisitsi)