Siamesische Rüsselbarbe – Crossocheilus oblongus | Effektiver Algenfresser mit lebhaftem Schwarmverhalten

The Siamese Algae Eater (Crossocheilus oblongus) is one of the best natural algae eaters for freshwater aquariums. With its slender, silver-gray body and characteristic black longitudinal stripe, it is not only useful but also an aesthetically pleasing schooling fish.

This species is peaceful, active, and robust. It keeps the aquarium free of algae growth and is perfect for planted community aquariums. In groups of five or more, the Siamese Algae Eater feels particularly comfortable and displays its natural swimming behavior in all areas of the tank.

🌿 Characteristics & Keeping:
🐠 Fish size: S/M (4–5 cm, juvenile)
🌎 Origin: Southeast Asia (Thailand, Malaysia)
🌡️ Temperature: 22–28 °C
💧 pH value: 6.0–7.5
⚖️ Total hardness: up to 15 °dGH
🐟 Social behavior: Peaceful, schooling fish (from 5 individuals)
🌾 Aquarium: From 100 l, with current, roots & algae growth

🍽️ Feeding:
Eats algae, aufwuchs, frozen and dry food. Spirulina, vegetable chips, or blanched vegetables are ideal supplements.

💡 Tip:
The Siamese Algae Eater prefers oxygen-rich, clean water and slight current – perfect for community tanks with moderate movement.

👉 Conclusion:
The Siamese Algae Eater (Crossocheilus oblongus) is a peaceful, persistent, and effective algae eater – indispensable for any well-maintained freshwater aquarium.