@oliverknott2020: L67 – Pseudancistrus asurini in a High-Flow Stream Tank 🌊🐟 The L67 (Pseudancistrus asurini) is native to the Rio Xingu basin (Brazil) — a system known for rocky rapids, fast current, and oxygen-saturated water, especially around the Altamira region. This is a true rheophilic (current-loving) pleco: built to cling to stone, graze biofilm/algae, and stay active in flow. That’s why this dedicated Panta_rhei_gmbh stream aquarium runs 10,000–330,000 L/h directional flow. Sounds wild—yet in Xingu rapids, water races through narrow rocky channels at high speed, meaning massive volumes move past the fish continuously. This setup isn’t “too much”… it’s the point. Why strong flow matters: • higher oxygen • natural behavior & activity • better long-term health + lower stress #streamtank #aquarium #rivertank #rioxingu #flow

Oliver Knott

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Sunday 08 February 2026 16:11:48 GMT