Giant Otocinclus – Hypoptopoma gulare

The Giant Otocinclus (Hypoptopoma gulare) is an exceptional, rare wild-caught specimen from the Amazon region in Peru and Brazil. It resembles the well-known Otocinclus species but grows significantly larger and more robust. With its gentle, light brown body markings and its calm, steady movement along the aquarium panes, it is a fascinating fish to observe – ideal for natural South American aquariums.

The Hypoptopoma gulare grows to about 7–8 cm and is one of the most peaceful armored catfish of all. It lives in groups, preferring oxygen-rich, soft water and a gentle current. As an effective grazer, it provides valuable services in algae control in the aquarium.

🌿 Characteristics & Keeping:
🐠 Fish size: L (5–7 cm)
🌎 Origin: Peru & Brazil (Amazon region) – wild-caught
🌡️ Temperature: 23–28 °C
💧 pH-value: 6.0–7.5
⚖️ Total hardness: up to 15 °dGH
🐟 Social behavior: Peaceful, schooling fish (from 4–5 animals)
🌾 Aquarium: From 120 l, with current, roots, plants & sand substrate

🍽️ Feeding:
The Hypoptopoma gulare feeds predominantly on growth, algae, and vegetable matter. In the aquarium, it also accepts spirulina, algae wafers, vegetable chips, blanched spinach, zucchini, or cucumber. Supplementarily, frozen food such as Cyclops or Artemia can be offered.

💡 Tip:
A well-planted, oxygen-rich aquarium with fine substrate and a gentle current provides ideal living conditions. A group of several fish displays particularly natural, interesting behavior.

👉 Conclusion:
The Giant Otocinclus (Hypoptopoma gulare) is a peaceful, rare wild-caught fish and a useful algae eater – perfect for lovers of natural South American aquariums and fans of calm, social catfish.