Modelled from regional ecology — no survey or occurrence data for this water yet.
- A dedicated official letter to Changhua residents confirms the whole of Changhua town's watercourses including this stream and its tributaries, and bans fish finders and snagging gear outright
- Zhejiang's one rod, one line, two hook points applies
- / 《杭州市临安区人民政府关于实施禁渔制度的通告》（2025年发布，2026年1月1日施行）将区级以上河道22条（309.05公里）与镇级河道136条（1105.19公里）纳入全年禁渔，但娱乐性游钓除外。另有致昌化镇居民的公开信确认昌化溪及其支流全域纳入，并明令禁止探鱼、锚鱼器具。浙江的一人一竿一线、钩尖不超过两个同样适用。
⭐ Nothing here is protected. 马口 (*Opsariichthys*) is scored. ⚠️ Note that Lin'an's mountain streams hold 虹彩马口鱼, described as a Chinese endemic species distinct from the widespread *O. bidens* the `makou` profile is built on — the same genus and the same fishing, but not the same fish, and the thermal profile has not been validated against it. 溪石斑 (光唇鱼) is present on broken-rock bottom and stays prose-only. / ⭐ 此处鱼种均非保护物种。马口已纳入计分。⚠️ 需注意临安山溪中分布虹彩马口鱼，据称为中国特有种，与 `makou` 模型所依据的广布种马口（*O. bidens*）并非同种——属相同、钓法相同，但鱼不同，温度模型未针对其验证。溪石斑（光唇鱼）栖于乱石底，仅作文字说明。
The full read · show the working · for Pike · confidence 70%
Changhua Stream 昌化溪
Modelled from regional ecology — no survey or occurrence data for this water yet.
- A dedicated official letter to Changhua residents confirms the whole of Changhua town's watercourses including this stream and its tributaries, and bans fish finders and snagging gear outright
- Zhejiang's one rod, one line, two hook points applies
- / 《杭州市临安区人民政府关于实施禁渔制度的通告》（2025年发布，2026年1月1日施行）将区级以上河道22条（309.05公里）与镇级河道136条（1105.19公里）纳入全年禁渔，但娱乐性游钓除外。另有致昌化镇居民的公开信确认昌化溪及其支流全域纳入，并明令禁止探鱼、锚鱼器具。浙江的一人一竿一线、钩尖不超过两个同样适用。
⭐ Nothing here is protected. 马口 (*Opsariichthys*) is scored. ⚠️ Note that Lin'an's mountain streams hold 虹彩马口鱼, described as a Chinese endemic species distinct from the widespread *O. bidens* the `makou` profile is built on — the same genus and the same fishing, but not the same fish, and the thermal profile has not been validated against it. 溪石斑 (光唇鱼) is present on broken-rock bottom and stays prose-only. / ⭐ 此处鱼种均非保护物种。马口已纳入计分。⚠️ 需注意临安山溪中分布虹彩马口鱼，据称为中国特有种，与 `makou` 模型所依据的广布种马口（*O. bidens*）并非同种——属相同、钓法相同，但鱼不同，温度模型未针对其验证。溪石斑（光唇鱼）栖于乱石底，仅作文字说明。