The Anostomus Ternetzi Headstander is a unique and eye-catching freshwater fish native to the rivers and streams of South America, particularly the Amazon and Orinoco basins. Named for its characteristic head-down swimming posture, this species is known for its bold striped appearance and active behavior. It is a great addition for intermediate to experienced aquarists with larger, well-maintained tanks.
🐠 Appearance:
Size: Grows up to 6–8 inches (15–20 cm) in length.
Coloration: Features a golden or tan body with three distinct black horizontal stripes running from the snout to the tail. The fins are often tinged with red or orange, adding vibrant contrast.
Body Shape: Slender and elongated, with a slight downward tilt when swimming.
🌿 Tank Requirements:
Tank Size: Minimum 55 gallons for a single fish; larger for groups.
Water Parameters:
Temperature: 72–82°F (22–28°C)
pH: 6.0–7.5
Water Hardness: Soft to moderately hard
Environment:
Needs a well-oxygenated tank with moderate water flow.
Provide driftwood, rocks, and dense vegetation for hiding spots.
A tight-fitting lid is essential, as they are known to jump.
🏡 Behavior & Compatibility:
Temperament:Semi-aggressive and territorial, especially with similar species.
Tankmates: Best kept with robust, peaceful community fish such as larger tetras, peaceful cichlids, or silver dollars.
Social Behavior: Can be kept singly or in a small group (5 or more) to reduce aggression, but space is crucial.
🍤 Diet:
Omnivorous: Prefers a mixed diet of vegetable matter, algae-based foods, and protein-rich live or frozen foods such as bloodworms, brine shrimp, and daphnia. Include blanched vegetables like spinach and zucchini.
🧑🍼 Breeding:
Rare in Captivity: Breeding is uncommon due to territorial behavior and specific water requirements.
The Anostomus Ternetzi Headstander is an ideal choice for aquarists looking to add a unique, active species to a larger freshwater tank. Its bold stripes and quirky swimming style create a dynamic and engaging display.
